memset, _wmemset

Remonter à Mem.h - Index

Header File

mem.h, string.h

Category

Memory and String Manipulation Routines, Inline Routines

Prototype

void *memset(void *s, int c, size_t n);

void *_wmemset(void *s, int c, size_t n);

Description

Sets n bytes of a block of memory to byte c.

memset sets the first n bytes of the array s to the character c.

Return Value

memset returns s.

Example

 #include <string.h>
 #include <stdio.h>
 #include <mem.h>
 int main(void)
 {
     char buffer[] = "Hello world\n";
     printf("Buffer before memset: %s\n", buffer);
     memset(buffer, '*', strlen(buffer) - 1);
     printf("Buffer after memset:  %s\n", buffer);
     return 0;
 }

Portability

	POSIX	Win32	ANSI C	ANSI C++
memset	+	+	+	+
_wmemset		+