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setbuf void setbuf(FILE *fp, char *buf) #include #include "local.h" void setbuf(FILE *fp, char *buf) { (void) setvbuf(fp, buf, buf ? _IOFBF : _IONBF, BUFSIZ); } 2016. 7. 9.
setbuffer void setbuffer(FILE *fp, char *buf, int size) #include void setbuffer(FILE *fp, char *buf, int size) { (void)setvbuf(fp, buf, buf ? _IOFBF : _IONBF, size); } /* * set line buffering */ int setlinebuf(FILE *fp) { return (setvbuf(fp, (char *)NULL, _IOLBF, (size_t)0)); } 2016. 7. 9.
setvbuf int setvbuf(FILE *fp, char *buf, int mode, size_t size) #include #include #include "local.h" /* * Set one of the three kinds of buffering, optionally including * a buffer. */ int setvbuf(FILE *fp, char *buf, int mode, size_t size) { int ret, flags; size_t iosize; int ttyflag; /* * Verify arguments. The `int' limit on `size' is due to this * particular implementation. Note, buf and size are ignor.. 2016. 7. 9.
snprintf int snprintf(char *str, size_t n, const char *fmt, ...) #include #include #include #include #include "local.h" int snprintf(char *str, size_t n, const char *fmt, ...) { va_list ap; int ret; char dummy; FILE f; struct __sfileext fext; /* While snprintf(3) specifies size_t stdio uses an int internally */ if (n > INT_MAX) n = INT_MAX; /* Stdio internals do not deal correctly with zero length buffer.. 2016. 7. 9.

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