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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "query.h"
void
setqs()
{
qs = getenv("QUERY_STRING");
if(!qs){
fprintf(stderr, "no QUERY_STRING\n");
exit(1);
}
}
char *
query(char *key)
{
char *w;
int n;
for(w = strtok(qs, "&"); w; w = strtok(NULL, "&")){
n = strcspn(w, "=");
if(strncmp(w, key, n) == 0)
return w + n + (w[n] == '=');
}
return NULL;
}
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