touch up C

liminality/libinality.h

@@ -1,6 +1,3 @@
-#ifndef _LIMINALITY_H
-#	define _LIMINALITY_H
-static char *Liminality_prefix = "FROM ";
-static char *Liminality_infix = "\nBODY ";
-static char *Liminality_suffix = "\n";
-#endif /* ifndef _LIMINALITY_H */
+const char *Liminality_prefix = "FROM ";
+const char *Liminality_infix = "\nBODY ";
+const char *Liminality_suffix = "\n";

liminality/liminality.c

@@ -1,5 +1,5 @@
-#include <stdio.h>
-#include <stdlib.h>
+#include <stdio.h> /* fprintf(3), fputs(3), getc(3), stdin, stdout */
+#include <stdlib.h> /* getenv(3) */
 #include "libinality.h"
 
 char *signoff = "";
@@ -7,26 +7,25 @@ char *user = "user";
 
 int main(int argc, char *argv[]){
 	int c;
-	char exiting;
 	char *s;
 
 	if((s = getenv("USER")) != NULL)
 		user = s;
 
-	do{
-		fputs(Liminality_prefix, stdout);
-		fputs(user, stdout);
-		fputs(Liminality_infix, stdout);
+	exiting = 0;
+#define ever (;;)
+	for ever{
+		fprintf(stdout, "%s%s%s",
+			Liminality_prefix, user, Liminality_infix);
 		while((c = getc(stdin)) != '\n')
 			if(c != EOF)
 				putc(c, stdout);
 			else{
-				exiting = 1;
 				fputs(signoff, stdout);
-				break;
+				goto fin;
 			}
 		fputs(Liminality_suffix, stdout);
-	}while(!exiting);
+	}
 
-	return 0;
+fin:	return 0;
 }