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REQ.C
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1987-09-10
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43 lines
/*
** req.c -- request user input
*/
#include <stdio.h>
reqnbr(prompt, nbr) char prompt[]; int *nbr; { /* request number */
char str[20];
int sz;
if(iscons(stdin)) {
puts(" ");
fputs(prompt, stdout);
}
getstr(str, 20);
if((sz = utoi(str, nbr)) < 0 || str[sz]) return (NO);
return (YES);
}
reqstr(prompt, str, sz) char prompt[], *str; int sz; { /* request string */
if(iscons(stdin)) {
puts(" ");
fputs(prompt, stdout);
}
getstr(str, sz);
return (*str); /* null name returns false */
}
getstr(str, sz) char *str; int sz; { /* get string from user */
char *cp;
fgets(str, sz, stdin);
if(iscons(stdin) && !iscons(stdout))
fputs(str, stdout); /* echo */
cp = str;
while(*cp) { /* trim ctl chars & make uc */
if(*cp == '\n') break;
if(isprint(*str = toupper(*cp++))) ++str;
}
*str = NULL;
}
ctl chars & make uc */
if(*cp == '\n') break;
if(isprint(*str = toupper(*cp++))) ++str;
}
*str = N