ref: cbc79a2cfff4aa23e628158c2aa2b7035753cbe4
dir: /lib/c/include/assert.h/
void __assert(char *exp, char *file, long line); #undef assert #ifndef NDEBUG # define assert(exp) ((exp) ? (void) 0 : __assert(#exp, __FILE__, __LINE__)) #else # define assert(exp) ((void)0) #endif