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intrename(constchar*old_filename,constchar*new_filename);

Changes name of file oldname to newname. Returns non-zero on failure.

/*  * rename example code * http://code-reference.com/c/stdio.h/rename  */ #include<stdio.h>/* including standard library *///#include <windows.h> /* uncomment this for Windows */ #define FILENAME"test_tmp.txt" int main(void){FILE*tmpfile;char string[20];tmpfile=fopen(FILENAME,"w"); if(tmpfile==0){perror("cannot open file");} fprintf(tmpfile,"temporary file for c remove example\n");fclose(tmpfile); rename(FILENAME,"test_new.txt"); return0;}

  ./rename    file will be created  write text into file "temporary file for c rename example"

  file will be renamed into test_new.txt