error: stray ‘\343’ in program

$ gcc writefile.c 
writefile.c: In function ‘write_file_log’:
writefile.c:36:1: error: stray ‘\343’ in program
writefile.c:36:1: error: stray ‘\200’ in program
writefile.c:36:1: error: stray ‘\200’ in program
writefile.c:36:1: error: stray ‘\343’ in program
writefile.c:36:1: error: stray ‘\200’ in program
writefile.c:36:1: error: stray ‘\200’ in program

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空格的半角和全角问题 ，可参考这里。