diff options
Diffstat (limited to 'nuttx/include/ctype.h')
| -rw-r--r-- | nuttx/include/ctype.h | 71 |
1 files changed, 34 insertions, 37 deletions
diff --git a/nuttx/include/ctype.h b/nuttx/include/ctype.h index 70b55e179..6959a44b1 100644 --- a/nuttx/include/ctype.h +++ b/nuttx/include/ctype.h @@ -2,7 +2,7 @@ * include/ctype.h * * Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -36,10 +36,9 @@ #ifndef __INCLUDE_CTYPE_H #define __INCLUDE_CTYPE_H -/* There is no consistent ctype implementation, just a - * smattering of functions. Individually, they are okay, but - * a more standard, data lookup approach would make more sense - * if used extensively. +/* There is no consistent ctype implementation, just a smattering of + * functions. Individually, they are okay, but a more standard, data lookup + * approach would make more sense if used extensively. */ /**************************************************************************** @@ -51,13 +50,12 @@ ****************************************************************************/ /**************************************************************************** - * Function: isspace + * Name: isspace * * Description: - * Checks for white-space characters. In the "C" and "POSIX" - * locales, these are: space, form-feed ('\f'), newline ('\n'), - * carriage return ('\r'), horizontal tab ('\t'), and vertical - * tab ('\v'). + * Checks for white-space characters. In the "C" and "POSIX" locales, + * these are: space, form-feed ('\f'), newline ('\n'), carriage return + * ('\r'), horizontal tab ('\t'), and vertical tab ('\v'). * ****************************************************************************/ @@ -66,113 +64,112 @@ (c) == '\r' || (c) == '\f' || c== '\v') /**************************************************************************** - * Function: isascii + * Name: isascii * * Description: - * Checks whether c is a 7-bit unsigned char value that - * fits into the ASCII character set. + * Checks whether c is a 7-bit unsigned char value that fits into the + * ASCII character set. * ****************************************************************************/ #define isascii(c) ((c) >= 0 && (c) <= 0x7f); /**************************************************************************** - * Function: isprint + * Name: isprint * * Description: - * Checks for a printable character (including space) + * Checks for a printable character (including space) * ****************************************************************************/ #define isprint(c) ((c) >= 0x20 && (c) < 0x7f) /**************************************************************************** - * Function: isgraph + * Name: isgraph * * Description: - * Checks for a printable character (excluding space) + * Checks for a printable character (excluding space) * ****************************************************************************/ #define isgraph(c) ((c) > 0x20 && (c) < 0x7f) /**************************************************************************** - * Function: iscntrl + * Name: iscntrl * * Description: - * Checks for control character. + * Checks for control character. * ****************************************************************************/ #define iscontrol(c) (!isprint(c)) /**************************************************************************** - * Function: islower + * Name: islower * * Description: - * Checks for an lowercase letter. + * Checks for an lowercase letter. * ****************************************************************************/ #define islower(c) ((c) >= 'a' && (c) <= 'z') /**************************************************************************** - * Function: isupper + * Name: isupper * * Description: - * Checks for an uppercase letter. + * Checks for an uppercase letter. * ****************************************************************************/ #define isupper(c) ((c) >= 'A' && (c) <= 'Z') /**************************************************************************** - * Function: isalpha + * Name: isalpha * * Description: - * Checks for an alphabetic character + * Checks for an alphabetic character * ****************************************************************************/ #define isalpha(c) (islower(c) || isupper(c)) /**************************************************************************** - * Function: isdigit + * Name: isdigit * * Description: - * ANSI standard isdigit implementation. + * ANSI standard isdigit implementation. * ****************************************************************************/ #define isdigit(c) ((c) >= '0' && (c) <= '9') /**************************************************************************** - * Function: isalnum + * Name: isalnum * * Description: - * Checks for an alphanumeric character + * Checks for an alphanumeric character * ****************************************************************************/ #define isalnum(c) (isalpha(c) || isdigit(c)) /**************************************************************************** - * Function: ispunct + * Name: ispunct * * Description: - * Checks for a printable character which is not a space - * or an alphanumeric character + * Checks for a printable character which is not a space or an + * alphanumeric character * ****************************************************************************/ #define ispunct(c) (isgraph(c) && !isalnum(c)) /**************************************************************************** - * Function: isxdigit + * Name: isxdigit * * Description: - * isxdigit() checks for a hexadecimal digits, i.e. one of - * {0-9,a-f,A-F} + * isxdigit() checks for a hexadecimal digits, i.e. one of {0-9,a-f,A-F} * ****************************************************************************/ @@ -182,7 +179,7 @@ ((c) >= 'A' && (c) <= 'F')) /**************************************************************************** - * Function: toupper + * Name: toupper * * Description: * toupper() converts the letter c to upper case, if possible. @@ -193,7 +190,7 @@ (((c) >= 'a' && (c) <= 'z') ? ((c) - 'a' + 'A') : (c)) /**************************************************************************** - * Function: tolower + * Name: tolower * * Description: * tolower() converts the letter c to lower case, if possible. |