Operating systems, development tools, and professional services
for connected embedded systems
for connected embedded systems
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memset()
Set memory to a given value
Synopsis:
#include <string.h>
void* memset( void* dst,
int c,
size_t length );
Arguments:
- 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.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The memset() function fills length bytes starting at dst with the value c.
Returns:
A pointer to the destination buffer (that is, the value of dst).
Examples:
#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;
}
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | Yes |
| Signal handler | Yes |
| Thread | Yes |
See also:
memccpy(), memchr(), memcmp(), memcpy(), memicmp(), memmove()
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