#include "textcode.h" size_t scan_uuencoded(const char *src,char *dest,size_t *destlen) { size_t len; size_t tmp; register const unsigned char* s=(const unsigned char*) src; const char* orig=dest; if ((len=*s-' ')>64) return 0; len&=63; ++s; while (len>0) { if (s[0]-' '>64 || s[1]-' '>64 || s[2]-' '>64 || s[3]-' '>64) return 0; tmp=(((s[0]-' ')&077) << (3*6)) + (((s[1]-' ')&077) << (2*6)) + (((s[2]-' ')&077) << (1*6)) + (((s[3]-' ')&077)); s+=4; if (len) { *dest=tmp>>16; ++dest; --len; } if (len) { *dest=tmp>>8; ++dest; --len; } if (len) { *dest=tmp&0xff; ++dest; --len; } } *destlen=dest-orig; return (const char*)s-src; }