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converted to ANSI C

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eck 1989-05-10 10:20:14 +00:00
parent fdf26a7f06
commit 85c9115d5b
1 changed files with 28 additions and 13 deletions
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41
lang/cem/libcc.ansi/ctype/ctype.c
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@ -3,59 +3,74 @@
*/ */
/* $Header$ */ /* $Header$ */
int isalnum(c) { /* Alpha numeric character */ int isalnum(int c); /* Alpha numeric character */
int isalpha(int c); /* Alpha character */
int iscntrl(int c); /* Control character */
int isdigit(int c); /* Digit character */
int isgraph(int c); /* Graphical character */
int islower(int c); /* Lower case character */
int isprint(int c); /* Printable character */
int ispunct(int c); /* Punctuaction character */
int isspace(int c); /* Space character */
int isupper(int c); /* Upper case character */
int isxdigit(int c); /* Hexdecimal digit character */
int tolower(int c); /* Convert to lower case character */
int toupper(int c); /* Convert to upper case character */
int isalnum(int c) { /* Alpha numeric character */
return isdigit(c) || isalpha(c); return isdigit(c) || isalpha(c);
} }
int isalpha(c) { /* Alpha character */ int isalpha(int c) { /* Alpha character */
return isupper(c) || islower(c); return isupper(c) || islower(c);
} }
int iscntrl(c) { /* Control character */ int iscntrl(int c) { /* Control character */
return (c >= 0 && c <= 0x1f) || c == 0x7f; return (c >= 0 && c <= 0x1f) || c == 0x7f;
} }
int isdigit(c) { /* Digit character */ int isdigit(int c) { /* Digit character */
return (unsigned)(c - '0') < 10; return (unsigned)(c - '0') < 10;
} }
int isgraph(c) { /* Graphical character */ int isgraph(int c) { /* Graphical character */
return isprint(c) && c != ' '; return isprint(c) && c != ' ';
} }
int islower(c) { /* Lower case character */ int islower(int c) { /* Lower case character */
return (unsigned)(c - 'a') < 26; return (unsigned)(c - 'a') < 26;
} }
int isprint(c) { /* Printable character */ int isprint(int c) { /* Printable character */
return c > ' ' && c < 0x7f; return c > ' ' && c < 0x7f;
} }
int ispunct(c) { /* Punctuation character */ int ispunct(int c) { /* Punctuation character */
return isprint(c) && !(c == ' ' || isalnum(c)); return isprint(c) && !(c == ' ' || isalnum(c));
} }
int isspace(c) { /* Space character */ int isspace(int c) { /* Space character */
return c == ' ' || c == '\f' || c == '\n' || return c == ' ' || c == '\f' || c == '\n' ||
c == '\r' || c == '\t' || c == '\v'; c == '\r' || c == '\t' || c == '\v';
} }
int isupper(c) { /* Upper case character */ int isupper(int c) { /* Upper case character */
return (unsigned)(c - 'A') < 26; return (unsigned)(c - 'A') < 26;
} }
int isxdigit(c) { /* Hexdecimal digit character */ int isxdigit(int c) { /* Hexdecimal digit character */
return isdigit(c) || return isdigit(c) ||
(c >= 'A' && c <= 'F') || (c >= 'A' && c <= 'F') ||
(c >= 'a' && c <= 'f'); (c >= 'a' && c <= 'f');
} }
int tolower(c) { /* Convert to lower case character */ int tolower(int c) { /* Convert to lower case character */
if (!isupper(c)) return c; if (!isupper(c)) return c;
else return c - 'A' + 'a'; else return c - 'A' + 'a';
} }
int toupper(c) { /* Convert to upper case character */ int toupper(int c) { /* Convert to upper case character */
if (!islower(c)) return c; if (!islower(c)) return c;
else return c - 'a' + 'A'; else return c - 'a' + 'A';
} }