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add macro FC_IS_LETTER

pull/37/head
yuqing 2018-09-04 15:51:35 +08:00
parent 5e2b104970
commit b2dd1c322e
1 changed files with 4 additions and 0 deletions
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4
src/common_define.h
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@ -118,6 +118,10 @@ extern int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int kind);
#define IS_UPPER_HEX(ch) ((ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F'))
#define IS_HEX_CHAR(ch) (IS_UPPER_HEX(ch) || (ch >= 'a' && ch <= 'f'))
#define FC_IS_DIGITAL(ch) (ch >= '0' && ch <= '9')
#define FC_IS_LETTER(ch) ((ch >= 'A' && ch <= 'Z') || (ch >= 'a' && ch <= 'z'))
#define FC_IS_UPPER_LETTER(ch) (ch >= 'A' && ch <= 'Z')
#define FC_IS_LOWER_LETTER(ch) (ch >= 'a' && ch <= 'z')
#define STRERROR(no) (strerror(no) != NULL ? strerror(no) : "Unkown error")