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assert

Summary
#include <assert.h>

void assert (
  expression);      /* expression to test */
Description

The assert macro tests expression and prints a diagnostic message using the printf library routine if expression is false.

Return Value

None.

Example
#include <assert.h>
#include <stdio.h>       /* required for printf */

void check_parms (
  char *string)
{
  assert (string != NULL);     /* check for NULL ptr */
  printf ("String %s is OK\n", string);
}
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