1 files changed, 141 insertions, 0 deletions
diff --git a/appl/lib/libc.b b/appl/lib/libc.b
new file mode 100644
index 00000000..0acc6f42
--- /dev/null
+++ b/appl/lib/libc.b
@@ -0,0 +1,141 @@
+implement Libc;
+
+include "libc.m";
+
+islx(c: int): int
+{
+	return c >= 'a' && c <= 'f';
+}
+
+isux(c: int): int
+{
+	return c >= 'A' && c <= 'F';
+}
+
+isalnum(c: int): int
+{
+	return isalpha(c) || isdigit(c);
+}
+
+isalpha(c: int): int
+{
+	return islower(c) || isupper(c);
+}
+
+isascii(c: int): int
+{
+	return (c&~16r7f) == 0;
+}
+
+iscntrl(c: int): int
+{
+	return c == 16r7f || (c&~16r1f) == 0;
+}
+
+isdigit(c: int): int
+{
+	return c >= '0' && c <= '9';
+}
+
+isgraph(c: int): int
+{
+	return c >= '!' && c <= '~';
+}
+
+islower(c: int): int
+{
+	return c >= 'a' && c <= 'z';
+}
+
+isprint(c: int): int
+{
+	return c >= ' ' && c <= '~';
+}
+
+ispunct(c: int): int
+{
+	return isascii(c) && !iscntrl(c) && !isspace(c) && !isalnum(c);
+}
+
+isspace(c: int): int
+{
+	return c == ' ' || c == '\t' || c == '\n' || c == '\r' || c == '\f' || c == '\v';
+}
+
+isupper(c: int): int
+{
+	return c >= 'A' && c <= 'Z';
+}
+
+isxdigit(c: int): int
+{
+	return isdigit(c) || islx(c) || isux(c);
+}
+
+tolower(c: int): int
+{
+	if(isupper(c))
+		return c+'a'-'A';
+	return c;
+}
+
+toupper(c: int): int
+{
+	if(islower(c))
+		return c+'A'-'a';
+	return c;
+}
+
+toascii(c: int): int
+{
+	return c&16r7f;
+}
+
+strchr(s: string, n: int): int
+{
+	l := len s;
+	for(i := 0; i < l; i++)
+		if(s[i] == n)
+			return i;
+	return -1;
+}
+
+strrchr(s: string, n: int): int
+{
+	l := len s;
+	for(i := l-1; i >= 0; i--)
+		if(s[i] == n)
+			return i;
+	return -1;
+}
+
+strncmp(s1: string, s2: string, n: int): int
+{
+	l1 := len s1;
+	l2 := len s2;
+	for(i := 0; i < l1 && i < l2 && i < n; i++)
+		if(s1[i] != s2[i])
+			return s1[i]-int s2[i];
+	return l1-l2;
+}
+
+abs(n: int): int
+{
+	if(n < 0)
+		return -n;
+	return n;
+}
+
+min(m: int, n: int): int
+{
+	if(m < n)
+		return m;
+	return n;
+}
+
+max(m: int, n: int): int
+{
+	if(m > n)
+		return m;
+	return n;
+}