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[/] [or1k/] [trunk/] [newlib/] [newlib/] [libc/] [string/] [strlwr.c] - Rev 1765
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/* FUNCTION <<strlwr>>---force string to lower case INDEX strlwr ANSI_SYNOPSIS #include <string.h> char *strlwr(char *<[a]>); TRAD_SYNOPSIS #include <string.h> char *strlwr(<[a]>) char *<[a]>; DESCRIPTION <<strlwr>> converts each characters in the string at <[a]> to lower case. RETURNS <<strlwr>> returns its argument, <[a]>. PORTABILITY <<strlwr>> is not widely portable. <<strlwr>> requires no supporting OS subroutines. QUICKREF strlwr */ #include <string.h> #include <ctype.h> char * strlwr (a) char *a; { char *ret = a; while (*a != '\0') { if (isupper (*a)) *a = tolower (*a); ++a; } return ret; }