ngx_strnstr       160 src/core/ngx_string.h u_char *ngx_strnstr(u_char *s1, char *s2, size_t n);
ngx_strnstr      1725 src/http/modules/ngx_http_fastcgi_module.c                         if (ngx_strnstr(msg, (char *) pattern[i].data,