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       needsrcquote.c - 9base - revived minimalist port of Plan 9 userland to Unix
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       ---
       needsrcquote.c (151B)
       ---
            1 #include <u.h>
            2 #include <libc.h>
            3 
            4 int
            5 needsrcquote(int c)
            6 {
            7         if(c <= ' ')
            8                 return 1;
            9         if(strchr("`^#*[]=|\\?${}()'<>&;", c))
           10                 return 1;
           11         return 0;
           12 }