/ ************************************************************************ * * Purpose: To demonstrate the 'bsearch' function. * * Author: M.J. Leslie * * Date: 04-Jun-95 * ************************************************************************/ #include <stdlib.h> #define NUM 11 static int func (void *, void *); /************************************************************************/ main() { /* List of numbers. */ int numbers[NUM]={3,4,7,9,11,13,15,17,19,21,23}; int key=22; /* number to find. */ int * result; /* Result of 'bsearch' */ /* Search for 'key' in 'numbers'*/ result = bsearch (&key, numbers, NUM, sizeof(numbers[0]), (void *)func); printf("%d ", key); (result) ? puts("found") : puts("not found"); } /************************************************************************/ static int func (void *a, void *b) { printf("%d %d \n", *(int *)a, *(int *)b); /* Diagnistics. */ /* Compare the two numbers */ if (*(int *)a == *(int *)b) return(0); if (*(int *)a < *(int *)b) return(-1); return (1); }
file: /Techref/language/ccpp/cref/EXAMPLES/bsearch.c, 1KB, , updated: 1997/4/21 09:52, local time: 2024/8/14 21:40,
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