C – strset() function

• strset( ) function sets all the characters in a string to given character. Syntax for strset( ) function is given below.

char *strset(char *string, int c);

• strset( ) function is non standard function which may not available in standard library in C.

Example program for strset() function in C:

• In this program, all characters of the string “Test String” is set to “#” using strset( ) function and output is displayed as “###########”.

#include<stdio.h>
#include<string.h>
int main()
{
   char str[20] = "Test String";
   printf("Original string is : %s", str);
   printf("Test string after strset() : %s",strset(str,'#'));
   printf("After string set: %s",str);
   return 0;
}

Output:

Original string is             : Test String Test string after strset() : ###########