ref: d1a409da8d398c026ed049f4fb0b0167fd648b93
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