expression
)
)
macro tests the given
expression
and if it is false,
the calling process is terminated.
A diagnostic message, consisting of the text of the expression,
the name of the source file, the line number and the enclosing
function,
is written to
stderr
and the
abort(3)
function is called, effectively terminating the program.
If
expression
is true,
the
assert()
macro does nothing.
The
assert()
macro
may be removed at compile time with
the
cc(1)
option
-DNDEBUG.
"assertion \"%s\" failed: file \"%s\", line %d, function \"%s\"\n", \
"expression", __FILE__, __LINE__, __func__);
)
macro conforms to
ISO/IEC 9899:1999 (``ISO C99'') .
AT&T UNIX
.
Information on the name of the enclosing function appeared in ISO/IEC 9899:1999 (``ISO C99'') .