[return_val_cases]
# windows powershell: echo $LASTEXITCODE
# nushell: echo $env.LAST_EXIT_CODE
# bash: echo $?
"./return_val_cases/01_return.c" = 65536
"./return_val_cases/02_decl_expr.c" = 1
"./return_val_cases/03_decl_init.c" = 11
"./return_val_cases/04_if.c" = 1
"./return_val_cases/05_else.c" = 2
"./return_val_cases/06_fcall.c" = 3
"./return_val_cases/07_while.c" = 10
"./return_val_cases/08_do_while.c" = 128
"./return_val_cases/09_for.c" = 10
"./return_val_cases/10_main.c" = 3
"./return_val_cases/11_recursive.c" = 120
"./return_val_cases/12_logic.c" = 10
"./return_val_cases/13_array.c" = 1198
"./return_val_cases/14_pointer.c" = 2
"./return_val_cases/15_array_subscript.c" = 1198
"./return_val_cases/16_enum.c" = 5
"./return_val_cases/17_more_arg.c" = 45
[stdout_val_cases]
"./stdout_val_cases/01_include.c" = "Hello World!\n"