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54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/* %W% */
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/*
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** Information about time zone files.
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*/
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#ifndef TZDIR
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#define TZDIR "/etc/zoneinfo" /* Time zone object file directory */
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#endif
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#ifndef TZDEFAULT
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#define TZDEFAULT "localtime"
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#endif
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/*
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** Each file begins with. . .
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*/
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struct tzhead {
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char tzh_reserved[32]; /* reserved for future use */
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char tzh_timecnt[4]; /* coded number of transition times */
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char tzh_typecnt[4]; /* coded number of local time types */
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char tzh_charcnt[4]; /* coded number of abbr. chars */
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};
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/*
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** . . .followed by. . .
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**
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** tzh_timecnt (char [4])s coded transition times a la time(2)
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** tzh_timecnt (unsigned char)s types of local time starting at above
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** tzh_typecnt repetitions of
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** one (char [4]) coded GMT offset in seconds
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** one (unsigned char) used to set tm_isdt
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** one (unsigned char) that's an abbreviation list index
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** tzh_charcnt (char)s '\0'-terminated zone abbreviaton strings
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*/
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/*
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** In the current implementation, "settz()" refuses to deal with files that
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** exceed any of the limits below.
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*/
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#ifndef TZ_MAX_TIMES
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#define TZ_MAX_TIMES 300 /* Maximum number of transition times */
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#endif
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#ifndef TZ_MAX_TYPES
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#define TZ_MAX_TYPES 10 /* Maximum number of local time types */
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#endif
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#ifndef TZ_MAX_CHARS
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#define TZ_MAX_CHARS 50 /* Maximum number of abbreviation characters */
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#endif
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