diff options
author | John Millaway <john43@users.sourceforge.net> | 2002-12-16 23:28:22 +0000 |
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committer | John Millaway <john43@users.sourceforge.net> | 2002-12-16 23:28:22 +0000 |
commit | 956b9210a1e161b760ce6c5cebf5e298866188c5 (patch) | |
tree | 9adb445f7914321b46f965673e69d5e628fe5268 /flexdef.h | |
parent | a4312e900265e2ad8e731410b2f642ba7ea47cf4 (diff) |
Added utility functions to deal with character case.
Diffstat (limited to 'flexdef.h')
-rw-r--r-- | flexdef.h | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -1105,5 +1105,28 @@ extern jmp_buf flex_main_jmp_buf; /* Removes all \n and \r chars from tail of str. returns str. */ extern char *chomp (char *str); +/* ctype functions forced to return boolean */ +#define b_isalnum(c) (isalnum(c)?true:false) +#define b_isalpha(c) (isalpha(c)?true:false) +#define b_isascii(c) (isascii(c)?true:false) +#define b_isblank(c) (isblank(c)?true:false) +#define b_iscntrl(c) (iscntrl(c)?true:false) +#define b_isdigit(c) (isdigit(c)?true:false) +#define b_isgraph(c) (isgraph(c)?true:false) +#define b_islower(c) (islower(c)?true:false) +#define b_isprint(c) (isprint(c)?true:false) +#define b_ispunct(c) (ispunct(c)?true:false) +#define b_isspace(c) (isspace(c)?true:false) +#define b_isupper(c) (isupper(c)?true:false) +#define b_isxdigit(c) (isxdigit(c)?true:false) + +/* return true if char is uppercase or lowercase. */ +bool has_case(int c); + +/* Change case of character if possible. */ +int reverse_case(int c); + +/* return false if [c1-c2] is ambiguous for a caseless scanner. */ +bool range_covers_case (int c1, int c2); #endif /* not defined FLEXDEF_H */ |