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Set memory to a given value
#include <string.h>
void* memset( void* dst,
int c,
size_t length );
- dst
- A pointer to the memory that you want to set.
- c
- The value that you want to store in each byte.
- length
- The number of bytes to set.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The memset() function fills length bytes starting at
dst with the value c.
A pointer to the destination buffer (that is, the value of dst).
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
int main( void )
{
char buffer[80];
memset( buffer, '=', 80 );
buffer[79] = '\0';
puts( buffer );
return EXIT_SUCCESS;
}
ANSI,
POSIX 1003.1
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
memccpy(),
memchr(),
memcmp(),
memcpy(),
memicmp(),
memmove()
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