1 files changed, 75 insertions, 0 deletions
diff --git a/src/c/tty.c b/src/c/tty.c
new file mode 100644
index 0000000..5728a47
--- /dev/null
+++ b/src/c/tty.c
@@ -0,0 +1,75 @@
+#include"../include/types.h"
+#include"../include/string.h"
+#include"../include/stdio.h"
+
+#define CMD_LENGTH 20
+
+void clear();
+
+size_t pieces(char pieces[][CMD_LENGTH],char *buffer)
+{
+    for(size_t x=0;x<CMD_LENGTH;x++) for(size_t y=0;y<CMD_LENGTH;y++) pieces[x][y]='\0';
+
+    size_t i=0,j=0,r=0;
+    while(buffer[i]==' '&&buffer[i]!='\0') i++;
+    for(;buffer[i]!='\0';i++)
+    {
+	if(buffer[i]==' ')
+	{
+	    while(buffer[i]==' '&&buffer[i]!='\0') i++;
+	    j=0;
+	    r++;
+	    i--;
+	}
+	else
+	{
+	    pieces[r][j++]=buffer[i];
+	}
+    }
+    return r+1;
+}
+
+void echo(size_t numberof,char parts[][CMD_LENGTH])
+{
+    for(size_t i=1;i<numberof;i++)
+    {
+	printf("%s ",parts[i]);
+    }
+    printf("\n");
+}
+
+void merge(char parts[][CMD_LENGTH])
+{
+    char *str1=parts[1];
+    char *str2=parts[2];
+    stringcat(str1,str2);
+    printf("%s\n",str1);
+}
+
+void ls(size_t numberof,char parts[][CMD_LENGTH])
+{
+    printf("filesystem not implemented yet, %d,%s\n",numberof,parts[0]);
+}
+
+void number(size_t numberof,char parts[][CMD_LENGTH])
+{
+    if(numberof==1) printf("Please enter a number\n");
+    else
+    {
+	printf("number times two is %d\n",2*stoi(parts[1]));
+	printf("number times two is %f\n",2*stof(parts[1]));
+    }
+}
+
+void tty(char *buffer)
+{
+    char parts[CMD_LENGTH][CMD_LENGTH];
+    size_t numberof=pieces(parts,buffer);
+
+    if(stringcmp(parts[0],"clear")) clear();
+    else if(stringcmp(parts[0],"echo")) echo(numberof,parts);
+    else if(stringcmp(parts[0],"merge")) merge(parts);
+    else if(stringcmp(parts[0],"ls")) ls(numberof,parts);
+    else if(stringcmp(parts[0],"number")) number(numberof,parts);
+    else printf("command not found: %s\n",parts[0]);
+}