Return to ungetc.3s CVS log

Up to [Power 6/32 Unix Tahoe 4.2BSD] / cci / usr / src / man / man3

Annotation of cci/usr/src/man/man3/ungetc.3s, revision 1.1

1.1     ! root        1: .TH UNGETC 3S  "19 January 1983"
        !             2: .SH NAME
        !             3: ungetc \- push character back into input stream
        !             4: .SH SYNOPSIS
        !             5: .B #include <stdio.h>
        !             6: .PP
        !             7: .B ungetc(c, stream)
        !             8: .br
        !             9: .SM
        !            10: .B FILE
        !            11: .B *stream;
        !            12: .SH DESCRIPTION
        !            13: .I Ungetc
        !            14: pushes the character
        !            15: .I c
        !            16: back on an input stream.  That character will be returned by the next
        !            17: .I getc
        !            18: call on that stream.
        !            19: .I Ungetc 
        !            20: returns 
        !            21: .IR c .
        !            22: .PP
        !            23: One character of pushback is guaranteed provided
        !            24: something has been read from the stream and the stream is actually buffered.
        !            25: Attempts to push EOF are rejected.
        !            26: .PP
        !            27: .IR  Fseek (3S)
        !            28: erases all memory of pushed back characters.
        !            29: .SH "SEE ALSO"
        !            30: getc(3S),
        !            31: setbuf(3S),
        !            32: fseek(3S)
        !            33: .SH DIAGNOSTICS
        !            34: .I Ungetc
        !            35: returns
        !            36: .SM
        !            37: .B EOF
        !            38: if it can't push a character back.

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.