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diff --git a/man-pages-posix-2013/man0p/stdio.h.0p b/man-pages-posix-2013/man0p/stdio.h.0p new file mode 100644 index 0000000..1954b79 --- /dev/null +++ b/man-pages-posix-2013/man0p/stdio.h.0p @@ -0,0 +1,327 @@ +'\" et +.TH stdio.h "0P" 2013 "IEEE/The Open Group" "POSIX Programmer's Manual" +.SH PROLOG +This manual page is part of the POSIX Programmer's Manual. +The Linux implementation of this interface may differ (consult +the corresponding Linux manual page for details of Linux behavior), +or the interface may not be implemented on Linux. + +.SH NAME +stdio.h +\(em standard buffered input/output +.SH SYNOPSIS +.LP +.nf +#include <stdio.h> +.fi +.SH DESCRIPTION +Some of the functionality described on this reference page extends the +ISO\ C standard. Applications shall define the appropriate feature test macro +(see the System Interfaces volume of POSIX.1\(hy2008, +.IR "Section 2.2" ", " "The Compilation Environment") +to enable the visibility of these symbols in this header. +.P +The +.IR <stdio.h> +header shall define the following data types through +.BR typedef : +.IP "\fBFILE\fP" 14 +A structure containing information about a file. +.IP "\fBfpos_t\fP" 14 +A non-array type containing all information needed to specify uniquely +every position within a file. +.IP "\fBoff_t\fP" 14 +As described in +.IR <sys/types.h> . +.IP "\fBsize_t\fP" 14 +As described in +.IR <stddef.h> . +.IP "\fBssize_t\fP" 14 +As described in +.IR <sys/types.h> . +.IP "\fBva_list\fP" 14 +As described in +.IR <stdarg.h> . +.P +The +.IR <stdio.h> +header shall define the following macros which shall expand to +integer constant expressions: +.IP BUFSIZ 14 +Size of +.IR <stdio.h> +buffers. +This shall expand to a positive value. +.IP L_ctermid 14 +Maximum size of character array to hold +\fIctermid\fR() +output. +.IP L_tmpnam 14 +Maximum size of character array to hold +\fItmpnam\fR() +output. +.P +The +.IR <stdio.h> +header shall define the following macros which shall expand to +integer constant expressions with distinct values: +.IP _IOFBF 14 +Input/output fully buffered. +.IP _IOLBF 14 +Input/output line buffered. +.IP _IONBF 14 +Input/output unbuffered. +.P +The +.IR <stdio.h> +header shall define the following macros which shall expand to +integer constant expressions with distinct values: +.IP SEEK_CUR 14 +Seek relative to current position. +.IP SEEK_END 14 +Seek relative to end-of-file. +.IP SEEK_SET 14 +Seek relative to start-of-file. +.P +The +.IR <stdio.h> +header shall define the following macros which shall expand to +integer constant expressions denoting implementation limits: +.IP {FILENAME_MAX} 14 +Maximum size in bytes of the longest pathname that the implementation +guarantees can be opened. +.IP {FOPEN_MAX} 14 +Number of streams which the implementation guarantees can be open +simultaneously. The value is at least eight. +.IP {TMP_MAX} 14 +Minimum number of unique filenames generated by +\fItmpnam\fR(). +Maximum number of times an application can call +\fItmpnam\fR() +reliably. The value of +{TMP_MAX} +is at least 25. +.RS 14 +.P +On XSI-conformant systems, the value of +{TMP_MAX} +is at least 10\|000. +.RE +.P +The +.IR <stdio.h> +header shall define the following macro which shall expand to an integer +constant expression with type +.BR int +and a negative value: +.IP EOF 14 +End-of-file return value. +.P +The +.IR <stdio.h> +header shall define NULL as described in +.IR <stddef.h> . +.br +.P +The +.IR <stdio.h> +header shall define the following macro which shall expand to a +string constant: +.IP P_tmpdir 14 +Default directory prefix for +\fItempnam\fR(). +.P +The +.IR <stdio.h> +header shall define the following macros which shall expand to +expressions of type ``pointer to +.BR FILE '' +that point to the +.BR FILE +objects associated, respectively, with the standard error, input, and +output streams: +.IP "\fIstderr\fR" 14 +Standard error output stream. +.IP "\fIstdin\fR" 14 +Standard input stream. +.IP "\fIstdout\fR" 14 +Standard output stream. +.P +The following shall be declared as functions and may also be defined as +macros. Function prototypes shall be provided. +.sp +.RS 4 +.nf +\fB +void clearerr(FILE *); +char *ctermid(char *); +int dprintf(int, const char *restrict, ...) +int fclose(FILE *); +FILE *fdopen(int, const char *); +int feof(FILE *); +int ferror(FILE *); +int fflush(FILE *); +int fgetc(FILE *); +int fgetpos(FILE *restrict, fpos_t *restrict); +char *fgets(char *restrict, int, FILE *restrict); +int fileno(FILE *); +void flockfile(FILE *); +FILE *fmemopen(void *restrict, size_t, const char *restrict); +FILE *fopen(const char *restrict, const char *restrict); +int fprintf(FILE *restrict, const char *restrict, ...); +int fputc(int, FILE *); +int fputs(const char *restrict, FILE *restrict); +size_t fread(void *restrict, size_t, size_t, FILE *restrict); +FILE *freopen(const char *restrict, const char *restrict, + FILE *restrict); +int fscanf(FILE *restrict, const char *restrict, ...); +int fseek(FILE *, long, int); +int fseeko(FILE *, off_t, int); +int fsetpos(FILE *, const fpos_t *); +long ftell(FILE *); +off_t ftello(FILE *); +int ftrylockfile(FILE *); +void funlockfile(FILE *); +size_t fwrite(const void *restrict, size_t, size_t, FILE *restrict); +int getc(FILE *); +int getchar(void); +int getc_unlocked(FILE *); +int getchar_unlocked(void); +ssize_t getdelim(char **restrict, size_t *restrict, int, + FILE *restrict); +ssize_t getline(char **restrict, size_t *restrict, FILE *restrict); +char *gets(char *); +FILE *open_memstream(char **, size_t *); +int pclose(FILE *); +void perror(const char *); +FILE *popen(const char *, const char *); +int printf(const char *restrict, ...); +int putc(int, FILE *); +int putchar(int); +int putc_unlocked(int, FILE *); +int putchar_unlocked(int); +int puts(const char *); +int remove(const char *); +int rename(const char *, const char *); +int renameat(int, const char *, int, const char *); +void rewind(FILE *); +int scanf(const char *restrict, ...); +void setbuf(FILE *restrict, char *restrict); +int setvbuf(FILE *restrict, char *restrict, int, size_t); +int snprintf(char *restrict, size_t, const char *restrict, ...); +int sprintf(char *restrict, const char *restrict, ...); +int sscanf(const char *restrict, const char *restrict, ...); +char *tempnam(const char *, const char *); +FILE *tmpfile(void); +char *tmpnam(char *); +int ungetc(int, FILE *); +int vdprintf(int, const char *restrict, va_list); +int vfprintf(FILE *restrict, const char *restrict, va_list); +int vfscanf(FILE *restrict, const char *restrict, va_list); +int vprintf(const char *restrict, va_list); +int vscanf(const char *restrict, va_list); +int vsnprintf(char *restrict, size_t, const char *restrict, + va_list); +int vsprintf(char *restrict, const char *restrict, va_list); +int vsscanf(const char *restrict, const char *restrict, va_list); +.fi \fR +.P +.RE +.P +Inclusion of the +.IR <stdio.h> +header may also make visible all symbols from +.IR <stddef.h> . +.LP +.IR "The following sections are informative." +.SH "APPLICATION USAGE" +Since standard I/O streams may use an underlying file descriptor to +access the file associated with a stream, application developers need +to be aware that +{FOPEN_MAX} +streams may not be available if file descriptors are being used to access +files that are not associated with streams. +.SH RATIONALE +There is a conflict between the ISO\ C standard and the POSIX definition of the +{TMP_MAX} +macro that is addressed by ISO/IEC\ 9899:\|1999 standard, Defect Report 336. The POSIX standard is +in alignment with the public record of the response to the Defect Report. +This change has not yet been published as part of the ISO\ C standard. +.SH "FUTURE DIRECTIONS" +None. +.SH "SEE ALSO" +.IR "\fB<stdarg.h>\fP", +.IR "\fB<stddef.h>\fP", +.IR "\fB<sys_types.h>\fP" +.P +.ad l +The System Interfaces volume of POSIX.1\(hy2008, +.IR "Section 2.2" ", " "The Compilation Environment", +.IR "\fIclearerr\fR\^(\|)", +.IR "\fIctermid\fR\^(\|)", +.IR "\fIfclose\fR\^(\|)", +.IR "\fIfdopen\fR\^(\|)", +.IR "\fIfeof\fR\^(\|)", +.IR "\fIferror\fR\^(\|)", +.IR "\fIfflush\fR\^(\|)", +.IR "\fIfgetc\fR\^(\|)", +.IR "\fIfgetpos\fR\^(\|)", +.IR "\fIfgets\fR\^(\|)", +.IR "\fIfileno\fR\^(\|)", +.IR "\fIflockfile\fR\^(\|)", +.IR "\fIfmemopen\fR\^(\|)", +.IR "\fIfopen\fR\^(\|)", +.IR "\fIfprintf\fR\^(\|)", +.IR "\fIfputc\fR\^(\|)", +.IR "\fIfputs\fR\^(\|)", +.IR "\fIfread\fR\^(\|)", +.IR "\fIfreopen\fR\^(\|)", +.IR "\fIfscanf\fR\^(\|)", +.IR "\fIfseek\fR\^(\|)", +.IR "\fIfsetpos\fR\^(\|)", +.IR "\fIftell\fR\^(\|)", +.IR "\fIfwrite\fR\^(\|)", +.IR "\fIgetc\fR\^(\|)", +.IR "\fIgetchar\fR\^(\|)", +.IR "\fIgetc_unlocked\fR\^(\|)", +.IR "\fIgetdelim\fR\^(\|)", +.IR "\fIgetopt\fR\^(\|)", +.IR "\fIgets\fR\^(\|)", +.IR "\fIopen_memstream\fR\^(\|)", +.IR "\fIpclose\fR\^(\|)", +.IR "\fIperror\fR\^(\|)", +.IR "\fIpopen\fR\^(\|)", +.IR "\fIputc\fR\^(\|)", +.IR "\fIputchar\fR\^(\|)", +.IR "\fIputs\fR\^(\|)", +.IR "\fIremove\fR\^(\|)", +.IR "\fIrename\fR\^(\|)", +.IR "\fIrewind\fR\^(\|)", +.IR "\fIsetbuf\fR\^(\|)", +.IR "\fIsetvbuf\fR\^(\|)", +.IR "\fIstdin\fR\^", +.IR "\fIsystem\fR\^(\|)", +.IR "\fItempnam\fR\^(\|)", +.IR "\fItmpfile\fR\^(\|)", +.IR "\fItmpnam\fR\^(\|)", +.IR "\fIungetc\fR\^(\|)", +.IR "\fIvfprintf\fR\^(\|)", +.IR "\fIvfscanf\fR\^(\|)" +.ad b +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 7, Copyright (C) 2013 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. +(This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) 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.unix.org/online.html . + +Any typographical or formatting errors that appear +in this page are most likely +to have been introduced during the conversion of the source files to +man page format. To report such errors, see +https://www.kernel.org/doc/man-pages/reporting_bugs.html . |