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SunOS 5.10 - man page for stdio (sunos section 3head)

stdio.h(3HEAD)							      Headers							    stdio.h(3HEAD)

stdio.h, stdio - standard buffered input/output
#include <stdio.h>
The <stdio.h> header defines the following macros as positive integer constant expressions: BUFSIZ size of <stdio.h> buffers _IOFBF input/output fully buffered _IOLBF input/output line buffered _IONBF input/output unbuffered L_ctermid maximum size of character array to hold ctermid() output L_tmpnam maximum size of character array to hold tmpnam() output SEEK_CUR seek relative to current position SEEK_END seek relative to end-of-file SEEK_SET seek relative to start-of-file The following macros are defined as positive integer constant expressions that denote implementation limits: {FILENAME_MAX} Maximum size in bytes of the longest filename string that the implementation guarantees can be opened. {FOPEN_MAX} Number of streams that the implementation guarantees can be open simultaneously. The value is at least eight. {TMP_MAX} Minimum number of unique filenames generated by tmpnam(). Maximum number of times an application can call tmpnam() reli- ably. The value of {TMP_MAX} is at least 25. On XSI-conformant systems, the value of {TMP_MAX} is at least 10000. The following macro name is defined as a negative integer constant expression: EOF end-of-file return value The following macro name is defined as a null pointer constant: NULL null pointer The following macro name is defined as a string constant: P_tmpdir default directory prefix for tempnam() The following is defined as expressions of type "pointer to FILE" point to the FILE objects associated, respectively, with the standard error, input, and output streams: stderr standard error output stream stdin standard input stream stdout standard output stream The following data types are defined through typedef: FILE structure containing information about a file fpos_t non-array type containing all information needed to specify uniquely every position within a file va_list as described in <stdarg.h> size_t as described in <stddef.h>
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+
rename(2), ctermid(3C), fclose(3C), fdopen(3C), fflush(3C), fgetc(3C), fgetpos(3C), fgets(3C), flockfile(3C), fopen(3C), fputc(3C), fputs(3C), fputwc(3C), fread(3C), freopen(3C), fseek(3C), fsetpos(3C), ftell(3C), fwrite(3C), getwchar(3C), getopt(3C), perror(3C), popen(3C), printf(3C), remove(3C), rewind(3C), scanf(3C), setbuf(3C), stdio(3C), system(3C), tmpfile(3C), tmpnam(3C), ungetc(3C), vprintf(3C), attributes(5), standards(5) SunOS 5.10 10 Sep 2004 stdio.h(3HEAD)