如何在c中用空格或逗号分隔的文件中写两个字符串？

Question

我有两个字符串，我想以下列格式将这些字符串写入FILE：

string1 "space/comma" string2 "newline"
string3 "space/comma" string4 "newline"
..
..
..

Answer 1

FILE* fileptr = fopen("file.txt","wt");
fprintf(fileptr,"%s , %s \n",string1,string2);