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#include <search.h>
#include <string.h>
void *lsearch(const void *key, void *base, size_t *nelp, size_t width,
int (*compar)(const void *, const void *))
{
char (*p)[width] = base;
size_t n = *nelp;
size_t i;
for (i = 0; i < n; i++)
if (compar(key, p[i]) == 0)
return p[i];
*nelp = n+1;
return memcpy(p[n], key, width);
}
void *lfind(const void *key, const void *base, size_t *nelp,
size_t width, int (*compar)(const void *, const void *))
{
char (*p)[width] = (void *)base;
size_t n = *nelp;
size_t i;
for (i = 0; i < n; i++)
if (compar(key, p[i]) == 0)
return p[i];
return 0;
}
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