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@@ -3,59 +3,74 @@
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*/
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/* $Header$ */
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-int isalnum(c) { /* Alpha numeric character */
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+int isalnum(int c); /* Alpha numeric character */
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+int isalpha(int c); /* Alpha character */
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+int iscntrl(int c); /* Control character */
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+int isdigit(int c); /* Digit character */
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+int isgraph(int c); /* Graphical character */
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+int islower(int c); /* Lower case character */
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+int isprint(int c); /* Printable character */
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+int ispunct(int c); /* Punctuaction character */
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+int isspace(int c); /* Space character */
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+int isupper(int c); /* Upper case character */
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+int isxdigit(int c); /* Hexdecimal digit character */
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+
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+int tolower(int c); /* Convert to lower case character */
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+int toupper(int c); /* Convert to upper case character */
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+
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+int isalnum(int c) { /* Alpha numeric character */
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return isdigit(c) || isalpha(c);
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}
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-int isalpha(c) { /* Alpha character */
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+int isalpha(int c) { /* Alpha character */
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return isupper(c) || islower(c);
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}
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-int iscntrl(c) { /* Control character */
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+int iscntrl(int c) { /* Control character */
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return (c >= 0 && c <= 0x1f) || c == 0x7f;
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}
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-int isdigit(c) { /* Digit character */
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+int isdigit(int c) { /* Digit character */
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return (unsigned)(c - '0') < 10;
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}
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-int isgraph(c) { /* Graphical character */
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+int isgraph(int c) { /* Graphical character */
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return isprint(c) && c != ' ';
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}
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-int islower(c) { /* Lower case character */
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+int islower(int c) { /* Lower case character */
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return (unsigned)(c - 'a') < 26;
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}
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-int isprint(c) { /* Printable character */
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+int isprint(int c) { /* Printable character */
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return c > ' ' && c < 0x7f;
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}
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-int ispunct(c) { /* Punctuation character */
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+int ispunct(int c) { /* Punctuation character */
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return isprint(c) && !(c == ' ' || isalnum(c));
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}
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-int isspace(c) { /* Space character */
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+int isspace(int c) { /* Space character */
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return c == ' ' || c == '\f' || c == '\n' ||
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c == '\r' || c == '\t' || c == '\v';
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}
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-int isupper(c) { /* Upper case character */
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+int isupper(int c) { /* Upper case character */
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return (unsigned)(c - 'A') < 26;
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}
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-int isxdigit(c) { /* Hexdecimal digit character */
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+int isxdigit(int c) { /* Hexdecimal digit character */
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return isdigit(c) ||
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(c >= 'A' && c <= 'F') ||
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(c >= 'a' && c <= 'f');
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}
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-int tolower(c) { /* Convert to lower case character */
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+int tolower(int c) { /* Convert to lower case character */
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if (!isupper(c)) return c;
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else return c - 'A' + 'a';
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}
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-int toupper(c) { /* Convert to upper case character */
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+int toupper(int c) { /* Convert to upper case character */
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if (!islower(c)) return c;
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else return c - 'a' + 'A';
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}
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