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⟦496de2f8a⟧ TextFile

    Length: 680 (0x2a8)
    Types: TextFile
    Notes: UNIX file
    Names: »assert.3x«

Derivation

└─⟦26887b7e0⟧ Bits:30009717 Comet 32 harddisk image
    └─⟦28c352965⟧ »/a« UNIX Filesystem
        └─⟦this⟧ »usr/man/man3/assert.3x« 

TextFile

.ig
	@(#)assert.3x	2.1	7/1/84
	@(#)Copyright (C) 1983 by National Semiconductor Corp.
..
.TH ASSERT 3X
.SH NAME
assert \- program verification
.SH SYNOPSIS
.B #include <assert.h>
.PP
.B assert(expression)
.SH DESCRIPTION
.PP
.I Assert
is a macro that indicates
.I expression
is expected to be true at this point in the program.
It causes an
.IR exit (2)
with a diagnostic comment on the standard output
when
.I expression
is false (0).
Compiling with the 
.IR cc (1)
option
.SM
.B \-DNDEBUG
effectively deletes
.I assert
from the program.
.SH DIAGNOSTICS
`Assertion failed: file
.I f
line
.I n.'
.I F
is the source file and
.I n
the source line number
of the
.I assert
statement.