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blank.h (691B)

      1 /*
      2  * isblank() and iswblank() are not available with many pre-XSH6
      3  * systems. Check whether isblank was defined, and assume it is
      4  * not available if not.
      5  */
      6 /*	Sccsid @(#)blank.h	1.3 (gritter) 5/1/04	*/
      7 
      8 #ifndef	__dietlibc__
      9 #ifndef	LIBCOMMON_BLANK_H
     10 #define	LIBCOMMON_BLANK_H	1
     11 
     12 #include <ctype.h>
     13 #include <wctype.h>
     14 
     15 #ifndef	isblank
     16 
     17 static
     18 #ifdef	__GNUC__
     19 __inline__
     20 #endif	/* __GNUC__ */
     21 int
     22 my_isblank(int c)
     23 {
     24 	return c == ' ' || c == '\t';
     25 }
     26 #define	isblank(c)	my_isblank(c)
     27 
     28 static int
     29 my_iswblank(wint_t c)
     30 {
     31 	return c == L' ' || c == L'\t';
     32 }
     33 #undef	iswblank
     34 #define	iswblank(c)	my_iswblank(c)
     35 
     36 #endif	/* !isblank */
     37 #endif	/* !LIBCOMMON_BLANK_H */
     38 #endif	/* !__dietlibc__ */