cppMacro.sh

#!/bin/bash

printf "#include <stdio.h>\n" > /tmp/cppmacro.c
while [ $# -gt 1 ]; do
	printf "#include <$1.h>\n" >> /tmp/cppmacro.c
	shift
done

printf "int main()\n{\n\tprintf(\"%%d\\\\n\", $1);\n\treturn 0;\n}" >> /tmp/cppmacro.c
gcc -D_GNU_SOURCE /tmp/cppmacro.c -o /tmp/cppmacro
/tmp/cppmacro

structOffset.sh

#!/bin/bash

printf "#include <stdio.h>\n#include <stddef.h>\n" > /tmp/structoffset.c
while [ $# -gt 2 ]; do
	printf "#include <$1.h>\n" >> /tmp/structoffset.c
	shift
done
printf "int main()\n{\n\tprintf(\"%%d\\\\n\", offsetof($1, $2));\n\treturn 0;\n}" >> /tmp/structoffset.c
gcc -D_GNU_SOURCE /tmp/structoffset.c -o /tmp/structoffset
/tmp/structoffset

structSize.sh

#!/bin/bash

printf "#include <stdio.h>\n" > /tmp/structsize.c
while [ $# -gt 1 ]; do
	printf "#include <$1.h>\n" >> /tmp/structsize.c
	shift
done
printf "int main()\n{\n\tprintf(\"%%d\\\\n\", sizeof($1));\n\treturn 0;\n}" >> /tmp/structsize.c
gcc -D_GNU_SOURCE /tmp/structsize.c -o /tmp/structsize
/tmp/structsize