Added MinGW support

Makefile

@@ -1,5 +1,11 @@
 CC=gcc
 LDFLAGS=-lreadline
+CFLAGS :=
+SYSH :=
+
+ifeq ($(OS),Windows_NT)
+	CFLAGS	:= $(CFLAGS) -I./windeps -DWINNT=1
+endif
 
 OUTPUT=example
 CFILE=example.c
@@ -17,4 +23,4 @@ $(OUTPUT): $(CFILE) libtalaris.a
 	gcc $(CFLAGS) $^  -o $(OUTPUT) $(LDFLAGS)
 
 clean:
-	trash *.o *.a
+	rm *.o *.a *.exe

README.md

@@ -11,6 +11,8 @@ You can also run `make libtalaris.a` to create the .a file, which you can copy a
 
 Note: Since this library uses `readline.h`, you will need to include the -lreadline flag when compiling your project if you use libtaralis.
 
+MinGW Note: Because MinGW does not include any of the *nix `sys` headers, a drop-in replacement is included in the `windeps` folder in this distribution. Windows also lacks `fork()`, so the code in the example that uses this is disabled when compiling with on Windows.
+
 ## Usage
 
 Make sure to add the line `#include "libtaralis.h" in your .c file after copying libtalaris.a into your folder. Also don't forget to use the -lreadline flag when compiling in gcc.

example.c

@@ -138,6 +138,7 @@ int arguments(int argc, char **argv, LT_Parser *parser) {
     }
 }
 
+#ifndef WINNT
 int exec(int argc, char **argv, LT_Parser *parser) {
     if (argc < 2) {
         printf("You must specify a binary\n");
@@ -154,6 +155,7 @@ int exec(int argc, char **argv, LT_Parser *parser) {
     wait(NULL);
     return 0;
 }
+#endif
 
 int main(void) {
     LT_Parser *parser = lt_create_parser();
@@ -166,11 +168,24 @@ int main(void) {
         {"secret", "This is a secret command. It does not show up in help, but you can run it", "Usage: secret", LT_EXEC, secret, NULL},
         {"silent", "This is a silent command. It does not show up in help, and you can not run it", "Usage: silent", LT_HIDE, silent, NULL},
         {"?", "A link to help", "Usage: ? [COMMAND]...", LT_EXEC | LT_SPEC, lt_help, NULL},
+#ifndef WINNT        
         {"exec", "execute a binary", "Usage: exec [BINARY]", LT_UNIV, exec, NULL},
+#endif
         {0}
     };
 
-    char *matches[] = {"echo", "cat", "quiet", "help", "exit", "math", "args", "exec", NULL};
+
+    char *matches[] = {"echo", 
+                        "cat", 
+                        "quiet", 
+                        "help", 
+                        "exit", 
+                        "math", 
+                        "args", 
+#ifndef WINNT        
+                        "exec", 
+#endif                        
+                        NULL};
 
     lt_add_commands(parser, commands);