9os

Experimental kernel using plan9 ideas for embedded device
git clone git://git.simple-cc.org/9os
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kgets.c (251B)

      1 #include <os9/os9.h>
      2 
      3 #include <libk.h>
      4 
      5 char *
      6 kgets(char *s, int n)
      7 {
      8 	int ch = 0;
      9 	char *t = s;
     10 
     11 	while (--n > 0 && (ch = getch()) != EOF) {
     12 		if ((*t++ = ch) == '\n')
     13 			break;
     14 	}
     15 	if (ch == EOF && s == t)
     16 		return NULL;
     17 	*t = '\0';
     18 
     19 	return s;
     20 }