String Function in C Programming with Example
It has seven types
1. String concatenation - It is used to join the one string with the another string - strcat
2. String comparison - It is used to compare the one string with the another string - strcmp
3. String copy - It is used to copy the one string with another string - strcp
4. String length - It is used to find the length of the string - strlen
5. String reverse - It is used to find the string in the reverse order - strrev
6. String upper - It is used to find the string in the uppercase - strupr
7. String lower - It is used to find the string in the lowercase - strlwr
String concatenation
Program:
#include
int main()
{
char string1[20];
char string2[20];
printf("Enter the string 1 is :");
scanf("%s",&string1);
printf("Enter the string 2 is:");
scanf("%s",&string2);
strcat(string1,string2);
printf("The given string 1 is %s",string1);
return 0;
}
Output :
Enter the string 1 is :sam
Enter the string 2 is:kumar
The given string 1 is samkumar
String length
Program :
#include
int main()
{
int x;
char String1 [20];
char String2 [20];
printf("Enter the string1 is :");
scanf("%s",&String1);
printf("Enter the string2 is :");
scanf("%s",&String2);
x=strcmp(String1,String2);
if(x==0)
printf("The given name is same");
else
printf("The given name is different");
return 0;
}
Output :
Enter the string1 is :sam
Enter the string2 is :kumar
The given name is different
String copy
Program :
#include
int main()
{
char string1 [20];
char string2 [20];
printf("Enter the string 1 is:");
scanf("%s",&string1);
printf("Enter the string 2 is:");
scanf("%s",&string2);
strcpy(string1, string2);
printf("\n the given string1 is %s",string1);
printf("\n the given string2 is %s",string2);
return 0;
}
Ouput :
Enter the string 1 is:sam
Enter the string 2 is:kumar
the given string1 is kumar
the given string2 is kumar
If String Length
Program :
#include
int main()
{
int n1,n2;
char string1 [20];
char string2 [20];
printf("Enter the string 1 is:");
scanf("%s",&string1);
printf("Enter the string 2 is:");
scanf("%s",&string2);
n1=strlen(string1);
n2-strlen(string2);
if(n1==n2)
printf("\nThe given length of the given string is same");
else
printf("\nThe given length of the given string is different");
return 0;
}
Output :
Enter the string 1 is:sam
Enter the string 2 is:kumar
The given length of the given string is different
Without int
Program :
#include
int main()
{
char string1 [20];
char string2 [20];
printf("Enter the string1 is:");
scanf("%s",&string1);
printf("Enter the string2 is:");
scanf("%s",&string2);
printf("\n the given length of the given string1 is %d",strlen(string1));
printf("\n the given length of the given string2 is %d",strlen(string2));
return 0;
}
Output :
Enter the string1 is:sam
Enter the string2 is:kumar
the given length of the given string1 is 3
the given length of the given string2 is 5
String reverse
Program :
#include
int main()
{
char string1 [20];
char string2 [20];
printf("Enter the string1 is:");
scanf("%s",&string1);
printf("Enter the string2 is :");
scanf("%s",&string2);
strrev(string1);
strrev(string2);
printf("\n The given reverse of the given string1 is :%s",string1);
printf("\n The given reverse of the given string2 is:%s",string2);
return 0;
}
Output :
Enter the string1: sam
Enter the string2: kumar
The given reverse of the given string1 is :mas
The given reverse of the given string2 is :ramuk
Upper lower
Program :
#include
int main()
{
char string1 [20];
char string2 [20];
printf("Enter the string1 is :");
scanf("%s",&string1);
printf("Enter the string2 is:");
scanf("%s",&string2);
strupr(string1);
strlwr(string2);
printf("\n The given reverse of the given string1 is %s",string1);
printf("\n The given reverse of the given string2 is %s",string2);
return 0;
}
String concordant
Program :
#include
int main()
{
int x;
char string1 [20];
char string2 [20];
printf("Enter the string1");
scanf("%s",&string1);
printf("Enter the string2");
scanf("%s",&string22);
strncat(string1,string2);
printf("The given string1 is %s",string1);
return 0;
}
String ncopy
Program :
#include
int main()
{
char string1 [20];
char string2 [20];
printf("Enter the string1");
scanf("%s",&string1);
printf("Enter the string2");
scanf("%s",&string2);
strncpy(string1,string2,4);
printf("\n The given name is %s",string1);
printf("\n The given name is %s",string2);
return 0;
}
Output :
Enter the string1sam
Enter the string2kumar
The given name is kuma
The given name is kumar
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