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