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abs |
Portability: | ISO/ANSI C conforming, UNIX compatible |
SYNOPSIS | |
DESCRIPTION | |
RETURN VALUE | |
IMPLEMENTATION | |
EXAMPLE | |
RELATED FUNCTIONS | |
SEE ALSO |
SYNOPSIS |
#include <stdlib.h> int abs(int y);
DESCRIPTION |
abs
returns the absolute value of an integer.
RETURN VALUE |
abs
returns the absolute value of its argument.
IMPLEMENTATION |
abs
is implemented by a built-in function unless it is undefined by an
#undef
statement.
EXAMPLE |
#include <stdlib.h> #include <stdio.h> #define BASELINE 32 main() { int range, temp; puts("The average temperature in NY in December is 32 degrees."); puts("Enter the average temperature in NC in December:"); scanf("%d", &temp); range = abs(BASELINE - temp); /* Calculate range. */ printf("The average temperatures differ by: %d\n", range ); }
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