Compiler output
prog.c:1:1: error: expected identifier or '(' before '<' token
prog.c:10:20: warning: unknown escape sequence: '\D' [enabled by default]
prog.c:10:20: warning: unknown escape sequence: '\A' [enabled by default]
prog.c:11:27: warning: missing terminating " character [enabled by default]
prog.c:11:5: error: missing terminating " character
prog.c:19:20: warning: unknown escape sequence: '\R' [enabled by default]
prog.c:19:20: warning: unknown escape sequence: '\A' [enabled by default]
prog.c:20:27: warning: missing terminating " character [enabled by default]
prog.c:20:5: error: missing terminating " character
