diff options
Diffstat (limited to 'man3p/fputc.3p')
-rw-r--r-- | man3p/fputc.3p | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/man3p/fputc.3p b/man3p/fputc.3p new file mode 100644 index 000000000..87fe5c16f --- /dev/null +++ b/man3p/fputc.3p @@ -0,0 +1,126 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "FPUTC" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" fputc +.SH NAME +fputc \- put a byte on a stream +.SH SYNOPSIS +.LP +\fB#include <stdio.h> +.br +.sp +int fputc(int\fP \fIc\fP\fB, FILE *\fP\fIstream\fP\fB); +.br +\fP +.SH DESCRIPTION +.LP +The \fIfputc\fP() function shall write the byte specified by \fIc\fP +(converted to an \fBunsigned char\fP) to the output +stream pointed to by \fIstream\fP, at the position indicated by the +associated file-position indicator for the stream (if +defined), and shall advance the indicator appropriately. If the file +cannot support positioning requests, or if the stream was +opened with append mode, the byte shall be appended to the output +stream. +.LP +The +\fIst_ctime\fP and \fIst_mtime\fP fields of the file shall be marked +for update between the successful execution of +\fIfputc\fP() and the next successful completion of a call to \fIfflush\fP() +or \fIfclose\fP() on the same stream or a call to \fIexit\fP() +or \fIabort\fP(). +.SH RETURN VALUE +.LP +Upon successful completion, \fIfputc\fP() shall return the value it +has written. Otherwise, it shall return EOF, the error +indicator for the stream shall be set, \ and \fIerrno\fP shall be +set to indicate the error. +.SH ERRORS +.LP +The \fIfputc\fP() function shall fail if either the \fIstream\fP is +unbuffered or the \fIstream\fP's buffer needs to be +flushed, and: +.TP 7 +.B EAGAIN +The O_NONBLOCK flag is set for the file descriptor underlying \fIstream\fP +and the process would be delayed in the write +operation. +.TP 7 +.B EBADF +The file descriptor underlying \fIstream\fP is not a valid file descriptor +open for writing. +.TP 7 +.B EFBIG +An +attempt was made to write to a file that exceeds the maximum file +size. +.TP 7 +.B EFBIG +An attempt was made to write to a file that exceeds the process' file +size limit. +.TP 7 +.B EFBIG +The file is a regular file and an attempt was made to write at or +beyond the offset maximum. +.TP 7 +.B EINTR +The write operation was terminated due to the receipt of a signal, +and no data was transferred. +.TP 7 +.B EIO +A +physical I/O error has occurred, or the process is a member of a background +process group attempting to write to its controlling +terminal, TOSTOP is set, the process is neither ignoring nor blocking +SIGTTOU, and the process group of the process is orphaned. +This error may also be returned under implementation-defined conditions. +.TP 7 +.B ENOSPC +There was no free space remaining on the device containing the file. +.TP 7 +.B EPIPE +An +attempt is made to write to a pipe or FIFO that is not open for reading +by any process. A SIGPIPE signal shall also be sent to the +thread. +.sp +.LP +The \fIfputc\fP() function may fail if: +.TP 7 +.B ENOMEM +Insufficient storage space is available. +.TP 7 +.B ENXIO +A +request was made of a nonexistent device, or the request was outside +the capabilities of the device. +.sp +.LP +\fIThe following sections are informative.\fP +.SH EXAMPLES +.LP +None. +.SH APPLICATION USAGE +.LP +None. +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fIferror\fP() , \fIfopen\fP() , \fIgetrlimit\fP() , \fIputc\fP() +, \fIputs\fP() , \fIsetbuf\fP() , \fIulimit\fP() , the Base Definitions +volume of +IEEE\ Std\ 1003.1-2001, \fI<stdio.h>\fP +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. In the +event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.opengroup.org/unix/online.html . |