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Annotation of researchv10dc/630/man/src/p_man/man3/fontrequest.3r, revision 1.1

1.1     ! root        1: .ds ZZ DEVELOPMENT PACKAGE
        !             2: .TH FONTREQUEST 3R "630 MTG"
        !             3: .XE "fontrequest()"
        !             4: .XE "fontrelease()"
        !             5: .XE "fontavail()"
        !             6: .SH NAME
        !             7: fontrequest, fontrelease, fontavail \- request/release use of a font
        !             8: .SH SYNOPSIS
        !             9: .B #include <dmd.h>
        !            10: .br
        !            11: .B #include <font.h>
        !            12: .sp
        !            13: .B Font \(**fontrequest (fname)
        !            14: .sp
        !            15: .B void fontrelease (fname)
        !            16: .sp
        !            17: .B Font \(**fontavail (fname)
        !            18: .sp
        !            19: .B char \(**fname;
        !            20: .SH DESCRIPTION
        !            21: .I Fname
        !            22: points to a font name,
        !            23: a null terminated string of up to 14 characters.
        !            24: .PP
        !            25: The
        !            26: .I fontrequest
        !            27: function returns a pointer to a font of the given name in the font cache.
        !            28: This routine will return 0 if one of the following conditions is true:
        !            29: .IP "-" 
        !            30: there is no font of the given name in the cache,
        !            31: .IP "-"
        !            32: there is no more memory to attach the
        !            33: request information to the font,
        !            34: .IP "-"
        !            35: the calling process has already
        !            36: requested the named font.
        !            37: .PP
        !            38: While the font is requested, no 
        !            39: process can remove it from the cache until it is released.
        !            40: .PP
        !            41: The
        !            42: .I fontrelease
        !            43: function tells the cache that the named font is no longer being
        !            44: used by the calling process. This is automatically done
        !            45: for all the fonts that a process has requested when that
        !            46: process exits or is deleted.
        !            47: .PP
        !            48: The
        !            49: .I fontavail
        !            50: function returns a pointer to the named font if it is in
        !            51: the font cache; 0, otherwise. This function is used
        !            52: only to check if a given font is in the cache, and it cannot
        !            53: substitute for \fIfontrequest\fR if the application intends
        !            54: to make use of the font.
        !            55: 
        !            56: .SH SEE ALSO
        !            57: fontname(3R), fontsave(3L), infont(3R/3L), structures(3R).

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