| tolower.3 (b9b90a131248967679ea3943c6481203add07695) | tolower.3 (5b86168f54047e3c31030899945a37ca8bd5db40) |
|---|---|
| 1.\" Copyright (c) 1989, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 22 unchanged lines hidden (view full) --- 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)tolower.3 8.1 (Berkeley) 6/4/93 37.\" $FreeBSD$ 38.\" | 1.\" Copyright (c) 1989, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" This code is derived from software contributed to Berkeley by 5.\" the American National Standards Committee X3, on Information 6.\" Processing Systems. 7.\" 8.\" Redistribution and use in source and binary forms, with or without --- 22 unchanged lines hidden (view full) --- 31.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34.\" SUCH DAMAGE. 35.\" 36.\" @(#)tolower.3 8.1 (Berkeley) 6/4/93 37.\" $FreeBSD$ 38.\" |
| 39.Dd August 21, 2004 | 39.Dd July 17, 2005 |
| 40.Dt TOLOWER 3 41.Os 42.Sh NAME 43.Nm tolower 44.Nd upper case to lower case letter conversion 45.Sh LIBRARY 46.Lb libc 47.Sh SYNOPSIS 48.In ctype.h 49.Ft int 50.Fn tolower "int c" 51.Sh DESCRIPTION 52The 53.Fn tolower 54function converts an upper-case letter to the corresponding lower-case 55letter. | 40.Dt TOLOWER 3 41.Os 42.Sh NAME 43.Nm tolower 44.Nd upper case to lower case letter conversion 45.Sh LIBRARY 46.Lb libc 47.Sh SYNOPSIS 48.In ctype.h 49.Ft int 50.Fn tolower "int c" 51.Sh DESCRIPTION 52The 53.Fn tolower 54function converts an upper-case letter to the corresponding lower-case 55letter. |
| 56For single C 57.Va char Ns s 58locales (see 59.Xr multibyte 3 ) 60the value of the argument is 61representable as an 62.Li unsigned char | 56The argument must be representable as an 57.Vt unsigned char |
| 63or the value of 64.Dv EOF . 65.Sh RETURN VALUES 66If the argument is an upper-case letter, the 67.Fn tolower 68function returns the corresponding lower-case letter if there is 69one; otherwise the argument is returned unchanged. 70.Sh COMPATIBILITY --- 4 unchanged lines hidden (view full) --- 75type in locales with large character sets is considered obsolete 76and may not be supported in future releases. 77The 78.Fn towlower 79function should be used instead. 80.Sh SEE ALSO 81.Xr ctype 3 , 82.Xr islower 3 , | 58or the value of 59.Dv EOF . 60.Sh RETURN VALUES 61If the argument is an upper-case letter, the 62.Fn tolower 63function returns the corresponding lower-case letter if there is 64one; otherwise the argument is returned unchanged. 65.Sh COMPATIBILITY --- 4 unchanged lines hidden (view full) --- 70type in locales with large character sets is considered obsolete 71and may not be supported in future releases. 72The 73.Fn towlower 74function should be used instead. 75.Sh SEE ALSO 76.Xr ctype 3 , 77.Xr islower 3 , |
| 83.Xr multibyte 3 , | |
| 84.Xr towlower 3 85.Sh STANDARDS 86The 87.Fn tolower 88function conforms to 89.St -isoC . | 78.Xr towlower 3 79.Sh STANDARDS 80The 81.Fn tolower 82function conforms to 83.St -isoC . |