peek(1): remove unused variables, clean up some typos
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c295f531cb
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@ -20,7 +20,7 @@
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#include <stdio.h> /* fprintf(3), fgetc(3), perror(3), fputc(3), stderr, stdin,
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* stdout, EOF, NULL */
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#include <stdlib.h> /* exit(3), EXIT_FAILURE */
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#if !defined EX_OK || !defined EX_OSERR || !defined EX_USAGE
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#if !defined EX_IOERR || !defined EX_OK || !defined EX_USAGE
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# include <sysexits.h>
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#endif
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#include <termios.h> /* tcgetattr(3), tcsetattr(3), struct termios, ECHO */
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@ -46,7 +46,6 @@ static void restore_echo(int sig){
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return;
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}
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static int oserr(char *s){ perror(s); return EX_OSERR; }
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static int ioerr(char *s){ perror(s); restore_echo(0); return EX_IOERR; }
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static int usage(char *s){
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fprintf(stderr, "Usage: %s (-1enot) (-p [program [arguments...]])\n", s);
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@ -58,7 +57,7 @@ int main(int argc, char *argv[]){
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if(argc < 1)
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return usage(program_name);
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{ /* options parsing */
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{ /* option parsing */
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char allow_nonterminals;
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int c;
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@ -108,8 +107,8 @@ int main(int argc, char *argv[]){
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{ /* actual input loop */
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int c;
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while((c = getc(stdin)) != EOF)
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if(putc(c, stdout) == EOF)
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while((c = fgetc(stdin)) != EOF)
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if(fputc(c, stdout) == EOF)
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return ioerr(argv[0]);
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}
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