labs()
QNX SDP8.0C Library ReferenceAPIDeveloper
Calculate the absolute value of a long integer
Synopsis:
#include <stdlib.h>
long labs( long j );
Arguments:
- j
- The number you want the absolute value of.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The labs() function returns the absolute value of its long-integer argument j.
Returns:
The absolute value of j.
Examples:
#include <stdio.h>
#include <stdlib.h>
int main( void )
{
long x, y;
x = -50000;
y = labs( x );
printf( "labs( %d ) = %d\n", x, y );
return EXIT_SUCCESS;
}
produces the output:
labs( -50000 ) = 50000
Classification:
Safety: | |
---|---|
Cancellation point | No |
Signal handler | Yes |
Thread | Yes |
Page updated: