UUDECODE is a C program which reads a UU encoded file and translates it back to its original form, by Stephen Satchell and Chuck Forsberg.
The program reverses the action of UUENCODE, which can convert a file, particularly a binary file, into a text format that is suitable for transmission through mail or other systems that only accept text files.
uudecode inputwill read the UU encoded file input, translate it back to its original form, and write it out with its original name.
Programmers may incorporate any or all code into their programs, giving proper credit within the source. Publication of the source routines is permitted so long as credit is given to:
UUDECODE is available in a C version.
PIG_LATIN, a C program which translates a file to Pig Latin.
ROT13, a C++ program which reads a file of text and converts it to ROT13 text, and vice versa.
UUENCODE, a C program which translates a file (possibly in binary format) to the UU encoding.
Stephen Satchell, Chuck Forsberg.
You can go up one level to the C source codes.