gnu_cat.c
Total Physical Source Lines of Code (SLOC)                = 486
Total Estimated Cost to Develop                           = $ 12,665

freebsd_cat.c
Total Physical Source Lines of Code (SLOC)                = 270
Total Estimated Cost to Develop                           = $ 6,832

netbsd_cat.c
Total Physical Source Lines of Code (SLOC)                = 260
Total Estimated Cost to Develop                           = $ 6,567

apple_cat.c
Total Physical Source Lines of Code (SLOC)                = 247
Total Estimated Cost to Develop                           = $ 6,223

openbsd_cat.c
Total Physical Source Lines of Code (SLOC)                = 190
Total Estimated Cost to Develop                           = $ 4,724

plan9_cat.c
Total Physical Source Lines of Code (SLOC)                = 31
Total Estimated Cost to Develop                           = $ 704
