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Memset

Item Value Header filestring.h Declarationvoid *memset(void *buf, int ch, size_t count); Functioncopies ch into the first count characters of *buf. Returnreturns buf. The most common use of memset() is to initialize a region of memory to some value. #include <string.h> #include <stdio.h> int main(void){   char buf[100];   memset(buf, '\0', 100);   memset(buf, 'X', 10);   printf(buf); } XXXXXXXXXX