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       tlower.c - plan9port - [fork] Plan 9 from user space
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       ---
       tlower.c (226B)
       ---
            1 #include <u.h>
            2 #include <libc.h>
            3 #include <bin.h>
            4 #include <httpd.h>
            5 
            6 char*
            7 hlower(char *p)
            8 {
            9         char c;
           10         char *x;
           11 
           12         if(p == nil)
           13                 return p;
           14 
           15         for(x = p; c = *x; x++)
           16                 if(c >= 'A' && c <= 'Z')
           17                         *x -= 'A' - 'a';
           18         return p;
           19 }