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- .TH ASSERT 2
- .SH NAME
- assert \- check program invariants
- .SH SYNOPSIS
- .B #include <u.h>
- .br
- .B #include <libc.h>
- .PP
- .B
- #define assert if(cond);else _assert("cond")
- .PP
- .B
- void _assert(int 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
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