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c:stdio.h:setbuf [2013/01/22 22:02] |
c:stdio.h:setbuf [2024/02/16 01:05] (current) |
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+ | {{keywords>wiki library source code example reference}} | ||
+ | ====== setbuf ====== | ||
+ | <code c> | ||
+ | void setbuf(FILE *stream, char *buffer); | ||
+ | </code> | ||
+ | Controls buffering for stream stream. For null buf, turns off buffering, otherwise equivalent to (void)setvbuf(stream, buf, _IOFBF, BUFSIZ). | ||
+ | |||
+ | setbuf is deprecated use [[c:stdio.h:setvbuf|]] instead | ||
+ | ===== C Sourcecode Example ===== | ||
+ | <code c> | ||
+ | /* | ||
+ | * setbuf example code | ||
+ | * http://code-reference.com/c/stdio.h/setbuf | ||
+ | */ | ||
+ | |||
+ | #include <stdio.h> /* including standard library */ | ||
+ | //#include <windows.h> /* uncomment this for Windows */ | ||
+ | |||
+ | |||
+ | int main( void ) | ||
+ | { | ||
+ | FILE *stream = fopen("test.txt", "w"); | ||
+ | FILE *stream2 = fopen("test2.txt","w"); | ||
+ | |||
+ | char buffer[100]; | ||
+ | char buffer2[BUFSIZ]; | ||
+ | |||
+ | setbuf(stream, buffer); | ||
+ | fputs("Buffered input for test.txt", stream); | ||
+ | fflush(stream); | ||
+ | fclose(stream); | ||
+ | |||
+ | setbuf(stream2, buffer2); | ||
+ | fputs("Buffered input for test2.txt", stream2); | ||
+ | fflush(stream2); | ||
+ | fclose(stream2); | ||
+ | |||
+ | return 0; | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | |||
+ | output: ./setbuf | ||
+ | |||
+ | ==== content of test.txt === | ||
+ | <code c> | ||
+ | Buffered input for test.txt | ||
+ | </code> | ||
+ | |||
+ | ==== content of test2.txt === | ||
+ | <code c> | ||
+ | Buffered input for test2.txt | ||
+ | </code> | ||
+ | |||
+ | |||
+ | |||