ref: 5a51e900dd113a1a5f2d2a0e8bac067fbc7da3ae
dir: /sys/man/2/assert/
.TH ASSERT 2 .SH NAME assert \- check program invariants .SH SYNOPSIS .B #include <u.h> .br .B #include <libc.h> .PP .B #define assert(cond) if(cond);else _assert("cond") .PP .B void _assert(char* cond) .SH DESCRIPTION .I Assert is a preprocessor macro that (via .IR _assert ) prints a message and calls .I abort when .I cond is false. .SH SOURCE .B /sys/src/libc/port/_assert.c