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34 lines
833 B
34 lines
833 B
12 years ago
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#include<stdio.h>
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#include<assert.h>
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int main(int argc, char **argv) {
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const int ARRSIZE = 80;
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char arr[ARRSIZE];
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if(argc != 3) {
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fprintf(stderr, "%s <input file> <output file>\n", argv[0]);
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return 1;
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}
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char *ifilename = argv[1];
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char *ofilename = argv[2];
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printf("%s\n", ifilename);
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FILE *ifile = fopen(ifilename, "r");
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if(!ifile) {
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fprintf(stderr, "Could not open source file %s.\n", ifilename);
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return 1;
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}
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FILE *ofile = fopen(ofilename, "w");
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if(!ofile) {
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fprintf(stderr, "Could not open target file %s\n", ofilename);
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return 1;
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}
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size_t bytes;
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bytes = fread(arr, 1, ARRSIZE, ifile);
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assert(bytes < 80);
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assert(bytes > 0);
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fwrite(arr, 1, bytes, ofile);
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fclose(ifile);
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fclose(ofile);
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return 0;
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}
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