tolower man page on DragonFly

tolower man page on DragonFly

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TOLOWER(3)		 BSD Library Functions Manual		    TOLOWER(3)

NAME
     tolower — upper case to lower case letter conversion

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <ctype.h>

     int
     tolower(int c);

DESCRIPTION
     The tolower() function converts an upper-case letter to the corresponding
     lower-case letter.	 For single C chars locales the value of the argument
     is representable as an unsigned char or the value of EOF.

RETURN VALUES
     If the argument is an upper-case letter, the tolower() function returns
     the corresponding lower-case letter if there is one; otherwise the argu‐
     ment is returned unchanged.

SEE ALSO
     isalnum(3), isalpha(3), isascii(3), iscntrl(3), isdigit(3), isgraph(3),
     islower(3), isprint(3), ispunct(3), isspace(3), isupper(3), isxdigit(3),
     stdio(3), toascii(3), toupper(3), ascii(7)

STANDARDS
     The tolower() function conforms to ISO/IEC 9899:1990 (“ISO C90”).

BSD				 June 4, 1993				   BSD

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