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1.1 ! root 1: /* ! 2: * Standard I/O Library ! 3: * open file with first available structure ! 4: */ ! 5: ! 6: #include <stdio.h> ! 7: ! 8: FILE * ! 9: fopen(name, type) ! 10: char *name, *type; ! 11: { ! 12: register FILE **fpp; ! 13: extern FILE *_fopen(); ! 14: ! 15: for (fpp = &_fp[0]; fpp < &_fp[_NFILE]; fpp++) ! 16: if (*fpp==NULL || !((*fpp)->_ff&_FINUSE)) ! 17: return (*fpp = _fopen(name, type, *fpp, -1)); ! 18: return (NULL); ! 19: }
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