diff --git a/src/base/cptr.c b/src/base/cptr.c
index 22a6b36..a4080fe 100644
--- a/src/base/cptr.c
+++ b/src/base/cptr.c
@@ -34,3 +34,16 @@ char* char_multiply(char c, uint32 n){
         rez[n]=c;
     return rez;
 }
+
+bool cptr_startsWith(char* ptr, char* fragment){
+    for(char cs=*ptr, cf=*fragment; cf; cs=*++ptr, cf=*++fragment)
+        if(cs!=cf) return false;
+    return true;
+}
+
+bool cptr_endsWith(char* ptr, char* fragment){
+    ptr+=cptr_length(ptr)-cptr_length(fragment);
+    for(char cs=*ptr, cf=*fragment; cf; cs=*++ptr, cf=*++fragment)
+        if(cs!=cf) return false;
+    return true;
+}
\ No newline at end of file
diff --git a/src/base/cptr.h b/src/base/cptr.h
index ccce381..b750842 100644
--- a/src/base/cptr.h
+++ b/src/base/cptr.h
@@ -18,6 +18,10 @@ bool cptr_compare(char* key0, char* key1);
 // multiplies char n times
 char* char_multiply(char c, uint32 n);
 
+bool cptr_startsWith(char* ptr, char* fragment);
+
+bool cptr_endsWith(char* ptr, char* fragment);
+
 #if __cplusplus
 }
 #endif
\ No newline at end of file