ref: 266132e9d24058d85928f324cbfa7d0b0f46ba63
dir: /include/assert.h/
extern 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