63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
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* v2tov3.h
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*
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* Defines a group of macros which can be used to ease the problems of
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* porting MS C version 2.0 programs to MS C versions 3.0 and later.
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*
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* Copyright (C) Microsoft Corporation, 1984, 1985, 1986
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*
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*/
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/* macro to translate the names used to force binary mode for files */
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#define O_RAW O_BINARY
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/* macro to translate setnbuf calls to the equivalent setbuf call */
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#define setnbuf(stream) setbuf(stream, NULL)
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/* macro to translate stclen calls to the equivalent strlen call */
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#define stclen(s) strlen(s)
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/* macro to translate stscmp calls to the equivalent strcmp call */
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#define stscmp(s,t) strcmp(s,t)
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/* macro to translate stpchr calls to the equivalent strchr call */
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#define stpchr(s,c) strchr(s,c)
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/* macro to translate stpbrk calls to the equivalent strpbrk call */
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#define stpbrk(s,b) strpbrk(s,b)
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/* macro to translate stcis calls to the equivalent strspn call */
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#define stcis(s1,s2) strspn(s1,s2)
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/* macro to translate stcisn calls to the equivalent strcspn call */
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#define stcisn(s1,s2) strcspn(s1,s2)
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/* macro to translate setmem calls to the equivalent memset call */
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#define setmem(p, n, c) memset(p, c, n)
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/* macro to translate movmem calls to the equivalent memcpy call */
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#define movmem(s, d, n) memcpy(d, s, n)
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/* MS C version 2.0 min, max, and abs macros */
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#define abs(a) (((a) < 0) ? -(a) : (a))
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/* macros which implement MS C version 2.0's extended ctype macros, iscym and
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* iscysmf
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*/
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#define iscsymf(c) (isalpha(c) || ((c) == '_'))
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#define iscsym(c) (isalnum(c) || ((c) == '_'))
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