foo.c: In function 'main':
foo.c:8:21: error: 'x\U0000ff1b' undeclared (first use in this function)
    8 |                 max=x；
      |                     ^~~
foo.c:8:21: note: each undeclared identifier is reported only once for each function it appears in
foo.c:8:24: error: expected ';' before 'min'
    8 |                 max=x；
      |                        ^
      |                        ;
    9 |                         min=y
      |                         ~~~
foo.c:15:19: warning: implicit declaration of function 'minprintf'; did you mean 'vsnprintf'? [-Wimplicit-function-declaration]
   15 |                 z=minprintf("从大到小顺序：%d%d%d
      |                   ^~~~~~~~~
      |                   vsnprintf
foo.c:15:29: warning: missing terminating " character
   15 |                 z=minprintf("从大到小顺序：%d%d%d
      |                             ^
foo.c:15:29: error: missing terminating " character
   15 |                 z=minprintf("从大到小顺序：%d%d%d
      |                             ^~~~~~~~~~~~~~~~~~~~~
foo.c:16:1: error: expected expression before '}' token
   16 | }
      | ^
foo.c:15:29: error: expected ';' before '}' token
   15 |                 z=minprintf("从大到小顺序：%d%d%d
      |                             ^
      |                             ;
   16 | }
      | ~                            

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