FPARSELN(3) | Library Functions Manual | FPARSELN(3) |
fparseln
—
#include <stdio.h>
char *
fparseln
(FILE *stream,
size_t *len, size_t *lineno,
const char delim[3], int
flags);
fparseln
() function returns a pointer to the next
logical line from the stream referenced by stream. This
string is NUL
terminated and it is dynamically
allocated on each invocation. It is the responsibility of the caller to free
the pointer.
By default, if a character is escaped, both it and the preceding escape character will be present in the returned string. Various flags alter this behaviour.
The meaning of the arguments is as follows:
NULL
, the length of the string is stored in
the memory location to which it points.NULL
, the value of the memory location to
which is pointed to, is incremented by the number of lines actually read
from the file.NUL
then processing for that character is
disabled. If NULL
, all characters default to
values specified below. The contents of delim is as
follows:
\
, is
used to remove any special meaning from the next character.\
, is used to indicate that the next line
should be concatenated with the current one if this character is the
last character on the current line and is not escaped.#
, if
not escaped indicates the beginning of a comment that extends until
the end of the current line.fparseln
().
The various flags, which may be or-ed together, are:
FPARSELN_UNESCCOMM
FPARSELN_UNESCCONT
FPARSELN_UNESCESC
FPARSELN_UNESCREST
FPARSELN_UNESCALL
NULL
is returned.
The fparseln
() function uses internally
fgetln(3), so all error
conditions that apply to
fgetln(3), apply to
fparseln
(). In addition
fparseln
() may set errno to
[ENOMEM
] and return NULL
if
it runs out of memory.
fparseln
() function first appeared in
NetBSD 1.4.
November 30, 2002 | NetBSD 9.2 |