33 lines
435 B
C
33 lines
435 B
C
#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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int main(int argc, char **argv) {
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FILE *fff;
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int result;
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if (argc<2) {
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fff=stdin;
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}
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else {
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fff=fopen(argv[1],"rb");
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if (fff==NULL) {
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fprintf(stderr,"Error opening %s: %s\n",
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argv[1],strerror(errno));
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return -1;
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}
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}
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while(1) {
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result=fgetc(fff);
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if (result<0) break;
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if (result=='\n') putchar('\r');
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else putchar(result);
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}
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return 0;
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}
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