Header File 

string.h, mbstring.h 

Category 

Memory and String Manipulation Routines, Inline Routines 

Prototype 

char *strset(char *s, int ch); 

wchar_t *_wcsset(wchar_t *s, wchar_t ch); 

unsigned char *_mbsset(unsigned char *s, unsigned int ch); 

Description 

Sets all characters in a string to a given character. 

strset sets all characters in the string s to the character ch. It quits when the terminating null character is found. 

Return Value 

strset returns s. 

Example  

#include <stdio.h>
#include <string.h>
int main(void)
{
   char string[10] = "123456789";
   char symbol = 'c';
   printf("Before strset(): %s\n", string);
   strset(string, symbol);
   printf("After strset():  %s\n", string);
   return 0;
}

Portability