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 | 
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