1. Example: ? str1 str2 _ void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0'; ?
str1
str2 _

2. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 Selamat _
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
Selamat _

3. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 Selamat _
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
Selamat _

4. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran
Selamat _

5. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran i
Selamat _

6. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran i
Selamat _

7. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran i
Selamat _

8. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran i
Selamat _

9. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran 1 i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran 1 i
Selamat _

10. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran 1 i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran 1 i
Selamat _

11. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran 1 i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran 1 i
Selamat _

12. Example : Until … 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
Until …
sasaran 2 i
Selamat _

13. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran 7 i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran 7 i
Selamat _

14. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 ? str2 sumber sasaran 7 i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1 ?
str2
sumber
sasaran 7 i
Selamat _

15. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 str2 sumber sasaran 7 i
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1
str2
sumber
sasaran 7 i
Selamat _

16. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 str2 Selamat _
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1
str2
Selamat _

17. Example : 'S' 'e' 'l' 'a' 'm' 't' '\0' str1 str2 Selamat _
void salin(char sasaran[], char sumber[]);
int main() {
char str1[8], str2[8];
scanf("%s", str1);
salin(str2, str1);
printf("Salinan: %s\n", str2); }
void salin(char sasaran[ ], char sumber[ ]) {
int i = 0;
while (sumber[i] != '\0') {
sasaran[i] = sumber[i];
i++;
sasaran[i] = '\0';
'S'
'e'
'l'
'a'
'm'
't'
'\0'
str1
str2
Selamat _

18. Character Manipulation Function
Special function was provided in standard library C for manipulating character.
Refer to Jadual 12.1 (page 333) in Pengaturcaraan C

19. Example: Input one word #include <stdio.h>
#include <ctype.h>
int main() {
char str1[8], str2[8];
int x = 0;
printf("Masukkan satu perkataan: ");
scanf("%s", str1);
while (str1[x] != '\0') {
if (islower(str1[x]))
str2[x] = toupper(str1[x]);
else
str2[x] = str1[x];
x++; }
str2[x] = '\0';
printf("%s dalam huruf besar: %s\n", str1, str2);
Input one word

20. Example : Copy every character #include <stdio.h>
#include <ctype.h>
int main() {
char str1[8], str2[8];
int x = 0;
printf("Masukkan satu perkataan: ");
scanf("%s", str1);
while (str1[x] != '\0') {
if (islower(str1[x]))
str2[x] = toupper(str1[x]);
else
str2[x] = str1[x];
x++; }
str2[x] = '\0';
printf("%s dalam huruf besar: %s\n", str1, str2);
Copy every character

21. Example: End of string character? #include <stdio.h>
#include <ctype.h>
int main() {
char str1[8], str2[8];
int x = 0;
printf("Masukkan satu perkataan: ");
scanf("%s", str1);
while (str1[x] != '\0') {
if (islower(str1[x]))
str2[x] = toupper(str1[x]);
else
str2[x] = str1[x];
x++; }
str2[x] = '\0';
printf("%s dalam huruf besar: %s\n", str1, str2);
End of string character?

22. Example : Is this small alphabet? #include <stdio.h>
#include <ctype.h>
int main() {
char str1[8], str2[8];
int x = 0;
printf("Masukkan satu perkataan: ");
scanf("%s", str1);
while (str1[x] != '\0') {
if (islower(str1[x]))
str2[x] = toupper(str1[x]);
else
str2[x] = str1[x];
x++; }
str2[x] = '\0';
printf("%s dalam huruf besar: %s\n", str1, str2);
Is this small alphabet?

23. Example: If yes, assign capital letter for
#include <stdio.h>
#include <ctype.h>
int main() {
char str1[8], str2[8];
int x = 0;
printf("Masukkan satu perkataan: ");
scanf("%s", str1);
while (str1[x] != '\0') {
if (islower(str1[x]))
str2[x] = toupper(str1[x]);
else
str2[x] = str1[x];
x++; }
str2[x] = '\0';
printf("%s dalam huruf besar: %s\n", str1, str2);
If yes, assign capital letter for
that character into array str2

24. Example: If not, assign that character into array str2
#include <stdio.h>
#include <ctype.h>
int main() {
char str1[8], str2[8];
int x = 0;
printf("Masukkan satu perkataan: ");
scanf("%s", str1);
while (str1[x] != '\0') {
if (islower(str1[x]))
str2[x] = toupper(str1[x]);
else
str2[x] = str1[x];
x++; }
str2[x] = '\0';
printf("%s dalam huruf besar: %s\n", str1, str2);
If not, assign that character
into array str2

25. Example: Next index #include <stdio.h> #include <ctype.h>
int main() {
char str1[8], str2[8];
int x = 0;
printf("Masukkan satu perkataan: ");
scanf("%s", str1);
while (str1[x] != '\0') {
if (islower(str1[x]))
str2[x] = toupper(str1[x]);
else
str2[x] = str1[x];
x++; }
str2[x] = '\0';
printf("%s dalam huruf besar: %s\n", str1, str2);
Next index

26. Example: Don’t forget null character!!! #include <stdio.h>
#include <ctype.h>
int main() {
char str1[8], str2[8];
int x = 0;
printf("Masukkan satu perkataan: ");
scanf("%s", str1);
while (str1[x] != '\0') {
if (islower(str1[x]))
str2[x] = toupper(str1[x]);
else
str2[x] = str1[x];
x++; }
str2[x] = '\0';
printf("%s dalam huruf besar: %s\n", str1, str2);
Don’t forget null character!!!

27. getchar() and putchar()
getchar() dan putchar() can be used for input and output character

28. Example : Read character by character into an array:
#include <stdio.h>
#define MAKS 8
int main() {
char str[MAKS];
int x = 0;
do {
str[x] = getchar();
x++;
} while (x < MAKS && str[x-1] != '\n');
str[x-1] = '\0';
x = 0;
while (str[x] != '\0') {
putchar(str[x]); }
Read character by
character into an array:

29. Example: Read next character #include <stdio.h> #define MAKS 8
int main() {
char str[MAKS];
int x = 0;
do {
str[x] = getchar();
x++;
} while (x < MAKS && str[x-1] != '\n');
str[x-1] = '\0';
x = 0;
while (str[x] != '\0') {
putchar(str[x]); }
Read next character

30. Example:
#include <stdio.h>
#define MAKS 8
int main() {
char str[MAKS];
int x = 0;
do {
str[x] = getchar();
x++;
} while (x < MAKS && str[x-1] != '\n');
str[x-1] = '\0';
x = 0;
while (str[x] != '\0') {
putchar(str[x]); }
Loop until there are no more items in array and before users pushing “enter”

31. Example: Don’t forget to insert null character into an array
#include <stdio.h>
#define MAKS 8
int main() {
char str[MAKS];
int x = 0;
do {
str[x] = getchar();
x++;
} while (x < MAKS && str[x-1] != '\n');
str[x-1] = '\0';
x = 0;
while (str[x] != '\0') {
putchar(str[x]); }
Don’t forget to insert null character into an array

32. Example: Display an output for character by character inside an array
#include <stdio.h>
#define MAKS 8
int main() {
char str[MAKS];
int x = 0;
do {
str[x] = getchar();
x++;
} while (x < MAKS && str[x-1] != '\n');
str[x-1] = '\0';
x = 0;
while (str[x] != '\0') {
putchar(str[x]); }
Display an output for character by character inside an array

33. gets() and puts()
These functions gets() dan puts() can be used for input and output string

34. Example: Read two strings #include <stdio.h> int main() {
char str1[5], str2[11];
int x, y;
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
x = 0;
while (str2[x] != '\0')
x++;
y = 0;
while (str1[y] != '\0') {
str2[x] = str1[y];
y++; }
str2[x] = '\0';
printf("Hasil selepas cantuman: ");
puts(str2);
Read two strings

35. Example: Find index for null character in str2
#include <stdio.h>
int main() {
char str1[5], str2[11];
int x, y;
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
x = 0;
while (str2[x] != '\0')
x++;
y = 0;
while (str1[y] != '\0') {
str2[x] = str1[y];
y++; }
str2[x] = '\0';
printf("Hasil selepas cantuman: ");
puts(str2);
Find index for null
character in str2

36. Example: Insert every character in Str1 at the end of string in str2
#include <stdio.h>
int main() {
char str1[5], str2[11];
int x, y;
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
x = 0;
while (str2[x] != '\0')
x++;
y = 0;
while (str1[y] != '\0') {
str2[x] = str1[y];
y++; }
str2[x] = '\0';
printf("Hasil selepas cantuman: ");
puts(str2);
Insert every character in
Str1 at the end of string
in str2

37. Example: Don’t forget null character #include <stdio.h>
int main() {
char str1[5], str2[11];
int x, y;
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
x = 0;
while (str2[x] != '\0')
x++;
y = 0;
while (str1[y] != '\0') {
str2[x] = str1[y];
y++; }
str2[x] = '\0';
printf("Hasil selepas cantuman: ");
puts(str2);
Don’t forget null character

38. String manipulation functions
String manipulation also provided with C.
Such as :
- strcpy()
strlen()
strcat()
strcmp()

39. strcpy() strcpy() copies the contents of one string to another string.
Prototype:
char *strcpy(char sasaran[], char sumber[]);

40. Example: ? #include <stdio.h> asal int main() {
char asal[8], salinan[8];
printf("Masukkan rentetan: ");
gets(asal);
strcpy(salinan, asal);
printf("Salinan: ");
puts(salinan); } ?
asal ?
salinan _

41. Example: ? #include <stdio.h> asal int main() {
char asal[8], salinan[8];
printf("Masukkan rentetan: ");
gets(asal);
strcpy(salinan, asal);
printf("Salinan: ");
puts(salinan); } ?
asal ?
salinan
Masukkan rentetan: _

42. Example: #include <stdio.h> int main() {
char asal[8], salinan[8];
printf("Masukkan rentetan: ");
gets(asal);
strcpy(salinan, asal);
printf("Salinan: ");
puts(salinan); }
'k'
'u'
'r'
's'
'\0' ?
asal ?
salinan
Masukkan rentetan: kursus _

43. Example: #include <stdio.h> int main() {
char asal[8], salinan[8];
printf("Masukkan rentetan: ");
gets(asal);
strcpy(salinan, asal);
printf("Salinan: ");
puts(salinan); }
'k'
'u'
'r'
's'
'\0' ?
asal
'k'
'u'
'r'
's'
'\0' ?
salinan
Masukkan rentetan: kursus _

44. Example: #include <stdio.h> int main() {
char asal[8], salinan[8];
printf("Masukkan rentetan: ");
gets(asal);
strcpy(salinan, asal);
printf("Salinan: ");
puts(salinan); }
'k'
'u'
'r'
's'
'\0' ?
asal
'k'
'u'
'r'
's'
'\0' ?
salinan
Masukkan rentetan: kursus
Salinan: _

45. Example: #include <stdio.h> int main() {
char asal[8], salinan[8];
printf("Masukkan rentetan: ");
gets(asal);
strcpy(salinan, asal);
printf("Salinan: ");
puts(salinan); }
'k'
'u'
'r'
's'
'\0' ?
asal
'k'
'u'
'r'
's'
'\0' ?
salinan
Masukkan rentetan: kursus
Salinan: kursus_

46. strlen()
strlen() is a function returns the length of string. If the string is empty, it returns zero.
Prototype:
int strcpy(char rentetan[]);

47. Example : ? str1 ? str2 #include <stdio.h> int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strlen(str1) < strlen(str2))
printf(“panjang rentetan 1 < rentetan 2\n");
else if (strlen(str1) > strlen(str2))
printf(“panjang rentetan 1 > rentetan 2\n");
else
printf(“rentetan sama panjang\n"); } ?
str1 ?
str2 _

48. Example: 'b' 'o' 'l' 'a' '\0' ? str1 'b' 'e' 'o' 'l' 'a' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strlen(str1) < strlen(str2))
printf(“panjang rentetan 1 < rentetan 2\n");
else if (strlen(str1) > strlen(str2))
printf(“panjang rentetan 1 > rentetan 2\n");
else
printf(“rentetan sama panjang\n"); }
'b'
'o'
'l'
'a'
'\0' ?
str1
'b'
'e'
'o'
'l'
'a'
'\0' ?
str2
Masukkan rentetan 1: bola
Masukkan rentetan 2: bebola _

49. Example: 'b' 'o' 'l' 'a' '\0' ? str1 'b' 'e' 'o' 'l' 'a' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strlen(str1) > strlen(str2))
printf(“panjang rentetan 1 > rentetan 2\n");
else if (strlen(str1) < strlen(str2))
printf(“panjang rentetan 1 < rentetan 2\n");
else
printf(“rentetan sama panjang\n"); }
'b'
'o'
'l'
'a'
'\0' ?
str1
'b'
'e'
'o'
'l'
'a'
'\0' ?
str2
Masukkan rentetan 1: bola
Masukkan rentetan 2: bebola _

50. Example : 'b' 'o' 'l' 'a' '\0' ? str1 'b' 'e' 'o' 'l' 'a' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strlen(str1) > strlen(str2))
printf(“panjang rentetan 1 > rentetan 2\n");
else if (strlen(str1) < strlen(str2))
printf(“panjang rentetan 1 < rentetan 2\n");
else
printf(“rentetan sama panjang\n"); }
'b'
'o'
'l'
'a'
'\0' ?
str1
'b'
'e'
'o'
'l'
'a'
'\0' ?
str2 4 6
Masukkan rentetan 1: bola
Masukkan rentetan 2: bebola _

51. Example: 'b' 'o' 'l' 'a' '\0' ? str1 'b' 'e' 'o' 'l' 'a' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strlen(str1) > strlen(str2))
printf(“panjang rentetan 1 > rentetan 2\n");
else if (strlen(str1) < strlen(str2))
printf(“panjang rentetan 1 < rentetan 2\n");
else
printf(“rentetan sama panjang\n"); }
'b'
'o'
'l'
'a'
'\0' ?
str1
'b'
'e'
'o'
'l'
'a'
'\0' ?
str2
Masukkan rentetan 1: bola
Masukkan rentetan 2: bebola _

52. Example: 'b' 'o' 'l' 'a' '\0' ? str1 'b' 'e' 'o' 'l' 'a' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strlen(str1) > strlen(str2))
printf(“panjang rentetan 1 > rentetan 2\n");
else if (strlen(str1) < strlen(str2))
printf(“panjang rentetan 1 < rentetan 2\n");
else
printf(“rentetan sama panjang\n"); }
'b'
'o'
'l'
'a'
'\0' ?
str1
'b'
'e'
'o'
'l'
'a'
'\0' ?
str2
Masukkan rentetan 1: bola
Masukkan rentetan 2: bebola
panjang rentetan 1 < rentetan 2 _

53. Example: 'b' 'o' 'l' 'a' '\0' ? str1 'b' 'e' 'o' 'l' 'a' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strlen(str1) > strlen(str2))
printf(“panjang rentetan 1 > rentetan 2\n");
else if (strlen(str1) < strlen(str2))
printf(“panjang rentetan 1 < rentetan 2\n");
else
printf(“rentetan sama panjang\n"); }
'b'
'o'
'l'
'a'
'\0' ?
str1
'b'
'e'
'o'
'l'
'a'
'\0' ?
str2
Masukkan rentetan 1: bola
Masukkan rentetan 2: bebola
panjang rentetan 1 < rentetan 2 _

54. strcat() strcat() append first string into the end of a second string
Prototype :
char *strcat(char s1[], char s2[]);

55. #include <stdio.h> int main() { char str1[5], str2[11];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
strcat(str2, " ");
strcat(str2, str1);
printf("Hasil selepas cantuman: ");
puts(str2); } ?
str2 ?
str1 _

56. #include <stdio.h> int main() { char str1[5], str2[11];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
strcat(str2, "/");
strcat(str2, str1);
printf("Hasil selepas cantuman: ");
puts(str2); }
'3'
'1'
'/'
'0'
'8'
'\0' ?
str2
'1'
'9'
'5'
'7'
'\0'
str1
Masukkan rentetan 1: 1957
Masukkan rentetan 2: 31/08 _

57. #include <stdio.h> int main() { char str1[5], str2[11];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
strcat(str2, "/");
strcat(str2, str1);
printf("Hasil selepas cantuman: ");
puts(str2); }
'3'
'1'
'/'
'0'
'8'
'\0' ?
str2
'1'
'9'
'5'
'7'
'\0'
str1
Masukkan rentetan 1: 1957
Masukkan rentetan 2: 31/08 _

58. #include <stdio.h> int main() { char str1[5], str2[11];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
strcat(str2, "/");
strcat(str2, str1);
printf("Hasil selepas cantuman: ");
puts(str2); }
'3'
'1'
'/'
'0'
'8'
'9'
str2
'5'
'7'
'\0'
'1'
'9'
'5'
'7'
'\0'
str1
Masukkan rentetan 1: 1957
Masukkan rentetan 2: 31/08 _

59. #include <stdio.h> int main() { char str1[5], str2[11];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
strcat(str2, "/");
strcat(str2, str1);
printf("Hasil selepas cantuman: ");
puts(str2); }
'3'
'1'
'/'
'0'
'8'
'9'
str2
'5'
'7'
'\0'
'1'
'9'
'5'
'7'
'\0'
str1
Masukkan rentetan 1: 1957
Masukkan rentetan 2: 31/08
Hasil selepas cantuman: 31/08/1957_

60. strcmp()
strcmp() compares two string until unequal characters are found or until the end of the string is reached.
Prototype:
int strcmp(char s1[], char s2[]);
Return value strcmp():
If s1 < s2, so strcmp(s1, s2) < 0
If s1 > s2, so strcmp(s1, s2) > 0
If s1 equal to s2, so strcmp(s1, s2) == 0

61. Example: ? str1 ? str2 #include <stdio.h> int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strcmp(str1, str2) < 0)
printf("rentetan 1 < rentetan 2\n");
else if (strcmp(str1, str2) > 0)
printf("rentetan 1 > rentetan 2\n");
else
printf("rentetan 1 bersamaan rentetan 2\n"); } ?
str1 ?
str2 _

62. Example : 'W' 'i' 'r' 'a' '\0' ? str1 'I' 's' 'w' 'a' 'r' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strcmp(str1, str2) < 0)
printf("rentetan 1 < rentetan 2\n");
else if (strcmp(str1, str2) > 0)
printf("rentetan 1 > rentetan 2\n");
else
printf("rentetan 1 bersamaan rentetan 2\n"); }
'W'
'i'
'r'
'a'
'\0' ?
str1
'I'
's'
'w'
'a'
'r'
'\0' ?
str2
Masukkan rentetan 1: Wira
Masukkan rentetan 2: Iswara _

63. Example : 'W' 'i' 'r' 'a' '\0' ? str1 'I' 's' 'w' 'a' 'r' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strcmp(str1, str2) < 0)
printf("rentetan 1 < rentetan 2\n");
else if (strcmp(str1, str2) > 0)
printf("rentetan 1 > rentetan 2\n");
else
printf("rentetan 1 bersamaan rentetan 2\n"); }
'W'
'i'
'r'
'a'
'\0' ?
str1
'I'
's'
'w'
'a'
'r'
'\0' ?
str2
Masukkan rentetan 1: Wira
Masukkan rentetan 2: Iswara _

64. Example : 'W' 'i' 'r' 'a' '\0' ? str1 'I' 's' 'w' 'a' 'r' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strcmp(str1, str2) < 0)
printf("rentetan 1 < rentetan 2\n");
else if (strcmp(str1, str2) > 0)
printf("rentetan 1 > rentetan 2\n");
else
printf("rentetan 1 bersamaan rentetan 2\n"); }
'W'
'i'
'r'
'a'
'\0' ?
str1
'I'
's'
'w'
'a'
'r'
'\0' ?
str2
Masukkan rentetan 1: Wira
Masukkan rentetan 2: Iswara _

65. Example : 'W' 'i' 'r' 'a' '\0' ? str1 'I' 's' 'w' 'a' 'r' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strcmp(str1, str2) < 0)
printf("rentetan 1 < rentetan 2\n");
else if (strcmp(str1, str2) > 0)
printf("rentetan 1 > rentetan 2\n");
else
printf("rentetan 1 bersamaan rentetan 2\n"); }
'W'
'i'
'r'
'a'
'\0' ?
str1
'I'
's'
'w'
'a'
'r'
'\0' ?
str2
Masukkan rentetan 1: Wira
Masukkan rentetan 2: Iswara _

66. Example : 'W' 'i' 'r' 'a' '\0' ? str1 'I' 's' 'w' 'a' 'r' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strcmp(str1, str2) < 0)
printf("rentetan 1 < rentetan 2\n");
else if (strcmp(str1, str2) > 0)
printf("rentetan 1 > rentetan 2\n");
else
printf("rentetan 1 bersamaan rentetan 2\n"); }
'W'
'i'
'r'
'a'
'\0' ?
str1
'I'
's'
'w'
'a'
'r'
'\0' ?
str2
Masukkan rentetan 1: Wira
Masukkan rentetan 2: Iswara
rentetan 1 > rentetan 2 _

67. Example : 'W' 'i' 'r' 'a' '\0' ? str1 'I' 's' 'w' 'a' 'r' '\0' ? str2
#include <stdio.h>
int main() {
char str1[8], str2[8];
printf("Masukkan rentetan 1: ");
gets(str1);
printf("Masukkan rentetan 2: ");
gets(str2);
if (strcmp(str1, str2) < 0)
printf("rentetan 1 < rentetan 2\n");
else if (strcmp(str1, str2) > 0)
printf("rentetan 1 > rentetan 2\n");
else
printf("rentetan 1 bersamaan rentetan 2\n"); }
'W'
'i'
'r'
'a'
'\0' ?
str1
'I'
's'
'w'
'a'
'r'
'\0' ?
str2
Masukkan rentetan 1: Wira
Masukkan rentetan 2: Iswara
rentetan 1 > rentetan 2 _