Sed Awk Cut Grep Combination Help ? Post: 302294653

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LEARN ABOUT OSF1

rpmatch

rpmatch(3)						     Library Functions Manual							rpmatch(3)

NAME

       rpmatch - Determines whether a response is affirmative or negative

LIBRARY

       Standard C Library (libc.a)

SYNOPSIS

       #include <stdlib.h>
       int rpmatch(	 const char *response);

PARAMETERS

       User input entered in response to a question that requires an affirmative or negative answer.

DESCRIPTION

       The  rpmatch()  function determines whether the string value of the response parameter matches the affirmative or negative response expres-
       sion as specified by the LC_MESSAGES category in the program's current locale.  Both response expressions, defined in the  locale,  may	be
       extended regular expressions.

       A  possible  value  of  the affirmative expression, yesexpr, for a English-language locale is "^([yY]|[yY][eE][sS])".  This expression will
       match any value of the response parameter that has consists of the letter Y (in uppercase or lowercase) or the letters YES (in any  mixture
       of uppercase and lowercase letters).

EXAMPLES

       The following example requests a response from the user and uses the rpmatch() function to determine if the response is affirmative or neg-
       ative.

       #include <stdlib.h> #include <stdio.h> #include <locale.h> #include <string.h> #define SLENGTH 80

       main() {
	   char    str[SLENGTH], *eol;
	   int	  ans;

	   (void)setlocale(LC_ALL, "");

	   printf("Do you want to perform this operation: ");
	   fgets(str, SLENGTH, stdin);
	   if ((eol = strchr(str, '
')) != NULL)
	       *eol = '';  /* Replace newline with null */
	   else
	       return;	/* Line entered too long */

	   ans = rpmatch(str);
	   if (ans == 1)
	       printf("You responded affirmatively
");
	   else if (ans == 0)
	       printf("You responded negatively
");
	   else
	    printf("Your answer did not match
"); }

RETURN VALUES

       A value of 1 is returned if the string value of the response parameter is matched by the affirmative expression; a value  of  0	(zero)	is
       returned  if  the  string  value  of the response parameter is matched by the negative expression. If neither expression matches the string
       value of the response parameter, a value of -1 is returned.

RELATED INFORMATION

       Commands: grep(1).

       Functions: regcomp(3), regexec(3), setlocale(3).

       Files: locale(4).  delim off

																	rpmatch(3)