__assert 48 usr/include/assert.h #define assert(e) ((e) ? (void)0 : __assert(__FILE__, __LINE__, #e)) __assert 51 usr/include/assert.h #define assert(e) ((e) ? (void)0 : __assert(__FILE__, __LINE__, "e")) __assert 64 usr/include/assert.h void __assert(const char *, int, const char *);